Security Bulletin: Vulnerabilities in Golang Go may affect IBM Spectrum Protect Server (CVE-2021-33195, CVE-2021-33197, CVE-2021-36221)

Security Bulletin

Summary

The IBM Spectrum Protect Server may be affected by Golang Go vulnerabilities such as denial of service, execution of arbitrary code, and bypassing of security restrictions.

Vulnerability Details

CVEID: CVE-2021-33195
DESCRIPTION: Golang Go could allow a remote attacker to execute arbitrary code on the system, caused by not following RFC 1035 rules in the LookupCNAME, LookupSRV, LookupMX, LookupNS, and LookupAddr functions in net. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206601 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-2021-33197
DESCRIPTION: Golang Go could allow a remote attacker to bypass security restrictions, caused by a flaw in the ReverseProxy in net/http/httputil. By sending a specially-crafted request, an attacker could exploit this vulnerability to drop arbitrary headers, including those set by the ReverseProxy.Director.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206603 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID: CVE-2021-36221
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by a race condition upon an ErrAbortHandler abort. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a net/http/httputil ReverseProxy panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/207036 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)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Spectrum Protect Server	8.1.7.000-8.1.12.xxx

Remediation/Fixes

IBM Spectrum Protect Server Release	First Fixing VRM Level	Platform	Link to Fix
8.1	8.1.13	AIX Linux Windows	https://www.ibm.com/support/pages/node/6522994

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

10 December 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: Vulnerabilities in Golang Go may affect IBM Spectrum Protect Server (CVE-2021-33195, CVE-2021-33197, CVE-2021-36221)