Security Bulletin: IBM Sterling Connect:Direct for UNIX Certified Container is affected by multiple vulnerabilities in Red Hat Universal Base Image version 8.4-206.1626828523 and Binutils version 2.30-93

Vulnerability Details

CVEID:   CVE-2019-20838
DESCRIPTION:   PCRE is vulnerable to a denial of service, caused by a buffer over-read in JIT. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185645 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2020-14155
DESCRIPTION:   PCRE could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in libpcre. By sending a request with a large number, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183499 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID:   CVE-2020-16135
DESCRIPTION:   Libssh is vulnerable to a denial of service, caused by a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL. A remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186148 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2020-35448
DESCRIPTION:   GNU Binutils is vulnerable to a denial of service, caused by a heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c in the Binary File Descriptor (BFD) library (aka libbfd). By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/193875 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-20197
DESCRIPTION:   GNU binutils could allow a local authenticated attacker to bypass security restrictions, caused by an open race window flaw when writing output in the ar, objcopy, strip, ranlib utilities. By using a specially-crafted symlink, an attacker could exploit this vulnerability to allow the utilities to get the ownership of arbitrary files.
CVSS Base score: 4.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198863 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N)

CVEID:   CVE-2021-20231
DESCRIPTION:   GnuTLS is vulnerable to a denial of service, caused by a use-after-free issue in client sending key_share extension. By sending a specially-crafted request, an attacker could exploit this vulnerability to cause memory corruption and other consequences.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198173 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)

CVEID:   CVE-2021-20232
DESCRIPTION:   GnuTLS is vulnerable to a denial of service, caused by a use-after-free issue in client_send_params in lib/ext/pre_shared_key.c. By sending a specially-crafted request, an attacker could exploit this vulnerability to cause memory corruption and other consequences.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198172 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)

CVEID:   CVE-2021-20266
DESCRIPTION:   RPM Project RPM is vulnerable to a denial of service, caused by an out-of-bounds read flaw in the hdrblobInit function in lib/header.c. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 3.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/201041 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L)

CVEID:   CVE-2021-22876
DESCRIPTION:   cURL libcurl could allow a remote attacker to obtain sensitive information, caused by the failure to strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests. By sending a specially-crafted HTTP request, an attacker could exploit this vulnerability to obtain user credentials, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199186 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:   CVE-2021-22898
DESCRIPTION:   cURL libcurl could allow a remote attacker to obtain sensitive information, caused by a flaw in the option parser for sending NEW_ENV variables. By sending a specially-crafted request using a clear-text network protocol, an attacker could exploit this vulnerability to obtain sensitive internal information to the server, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202562 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:   CVE-2021-22922
DESCRIPTION:   cURL libcurl could allow a remote attacker to bypass security restrictions, caused by not removing incorrect content by the metalink feature. By persuading a victim to download specially-crafted content, an attacker could exploit this vulnerability to access malicious content to keep in the file on disk for further attack.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206045 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

CVEID:   CVE-2021-22923
DESCRIPTION:   cURL libcurl could allow a remote attacker to obtain sensitive information, caused by improper protection to user credentials by the metalink feature. By persuading a victim to connect a specially-crafted server, an attacker could exploit this vulnerability to obtain user credentials, and use this information to launch further attacks against the affected system.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206046 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)

CVEID:   CVE-2021-22924
DESCRIPTION:   An unspecified error with bad connection reused due to improper path name validation in cURL libcurl has an unknown impact and attack vector.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206047 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:   CVE-2021-23841
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in the X509_issuer_and_serial_hash() function. By parsing the issuer field, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196847 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-27218
DESCRIPTION:   GNOME GLib is vulnerable to a denial of service, caused by an error when invoking g_byte_array_new_take() with a buffer of 4GB or more on a 64-bit platform. An attacker could exploit this vulnerability to cause unintended length truncation.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196784 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-23840
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by an integer overflow in CipherUpdate. By sending an overly long argument, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196848 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-28135
DESCRIPTION:   Espressif ESP-IDF is vulnerable to a denial of service, caused by improper handling of the reception of continuous unsolicited LMP responses in Bluetooth Classic implementation. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208855 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:   CVE-2021-3200
DESCRIPTION:   Libsolv is vulnerable to a denial of service, caused by a buffer overflow in the testcase_read function. By persuading a victim to open a specially file, a remote attacker could overflow a buffer and cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203837 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:   CVE-2021-33560
DESCRIPTION:   GnuPG Libgcrypt could allow a remote attacker to obtain sensitive information, caused by improper handling of ElGamal encryption. By using side-channel attack techniques against mpi_powm, and the window size, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203266 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:   CVE-2021-33574
DESCRIPTION:   GNU C Library (aka glibc) is vulnerable to a denial of service, caused by a use-after-free flaw in the mq_notify function. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202550 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-3421
DESCRIPTION:   RPM Project RPM could allow a remote attacker to bypass security restrictions, caused by a flaw in the read function. By persuading a victim to install a seemingly verifiable package or compromise an RPM repository, an attacker could exploit this vulnerability to cause a corruption to the RPM database.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203124 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L)

CVEID:   CVE-2021-3445
DESCRIPTION:   libdnf could allow a remote authenticated attacker to execute arbitrary code on the system, caused by a flaw in signature verification functionality. By placing a signature in the main header, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203146 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H)

CVEID:   CVE-2021-3487
DESCRIPTION:   GNU Binutils is vulnerable to a denial of service, caused by a flaw in the read_section() function in dwarf2.c in the BFD library. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause excessive memory consumption.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200073 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-3580
DESCRIPTION:   GNU Nettle is vulnerable to a denial of service, caused by a flaw in the RSA decryption functions. By sending specially-crafted ciphertext, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204056 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-35942
DESCRIPTION:   GNU C Library (aka glibc) could allow a local attacker to obtain sensitive information, caused by a flaw when called with an untrusted, crafted pattern in thewordexp function. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain read arbitrary memory in parse_param (in posix/wordexp.c), or cause the application to crash.
CVSS Base score: 7.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206317 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)

CVEID:   CVE-2021-36084
DESCRIPTION:   SELinux Project SELinux is vulnerable to a denial of service, caused by a use-after-free in __cil_verify_classperms. By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204792 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-36085
DESCRIPTION:   SELinux Project SELinux is vulnerable to a denial of service, caused by a use-after-free in __cil_verify_classperms. By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204794 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-36086
DESCRIPTION:   SELinux Project SELinux is vulnerable to a denial of service, caused by a use-after-free in cil_reset_classpermission . By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204795 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-36087
DESCRIPTION:   SELinux Project SELinux is vulnerable to a denial of service, caused by a heap-based buffer over-read in ebitmap_match_any. By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/204796 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2021-37600
DESCRIPTION:   util-linux is vulnerable to a denial of service, caused by an integer overflow in ipcutils.c. By persuading a victim to open a specially crafted file, an attacker could exploit this vulnerability to use system resources.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206484 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)