Security Bulletin: Vulnerabilities in Net-SNMP library affect IBM Spectrum Control (CVE-2020-15861, CVE-2020-15862)

Security Bulletin

Summary

Net-SNMP could allow a local authenticated attacker to gain elevated privileges on the system

Vulnerability Details

CVEID: CVE-2020-15861
DESCRIPTION: Net-SNMP could allow a local authenticated attacker to gain elevated privileges on the system, caused by improper handling of symlinks by snmpd. By using a specially-crafted symbolic link, an authenticated attacker could exploit this vulnerability to gain elevated privileges.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/187031 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2020-15862
DESCRIPTION: Net-SNMP could allow a local authenticated attacker to gain elevated privileges on the system, caused by an improper privilege management flaw related to SNMP WRITE access to the EXTEND MIB. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to execute arbitrary commands on the system with root privileges.
CVSS Base score: 6.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/187034 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Spectrum Control	5.3.0.1-5.4.0

Remediation/Fixes

Release	First Fixing VRM Level	Link to Fix
5.4.1	5.4.1	http://www.ibm.com/support/docview.wss?uid=swg21320822#53_0

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

5 Nov 2020: 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 Net-SNMP library affect IBM Spectrum Control (CVE-2020-15861, CVE-2020-15862)