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Test ID:1.3.6.1.4.1.25623.1.0.833015
Category:SuSE Local Security Checks
Title:openSUSE: Security Advisory for openssh (SUSE-SU-2023:2945-1)
Summary:The remote host is missing an update for the 'openssh'; package(s) announced via the SUSE-SU-2023:2945-1 advisory.
Description:Summary:
The remote host is missing an update for the 'openssh'
package(s) announced via the SUSE-SU-2023:2945-1 advisory.

Vulnerability Insight:
This update for openssh fixes the following issues:

* CVE-2023-38408: Fixed a condition where specific libraries loaded via ssh-
agent(1)'s PKCS#11 support could be abused to achieve remote code execution
via a forwarded agent socket if those libraries were present on the victim's
system and if the agent was forwarded to an attacker-controlled system.
[bsc#1213504, CVE-2023-38408]

* Close the right filedescriptor and also close fdh in read_hmac to avoid file
descriptor leaks. [bsc#1209536]

* Attempts to mitigate instances of secrets lingering in memory after a
session exits. [bsc#1186673, bsc#1213004, bsc#1213008]

##

Affected Software/OS:
'openssh' package(s) on openSUSE Leap 15.4, openSUSE Leap 15.5, openSUSE Leap Micro 5.3.

Solution:
Please install the updated package(s).

CVSS Score:
10.0

CVSS Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2023-38408
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CEBTJJINE2I3FHAUKKNQWMFGYMLSMWKQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RAXVQS6ZYTULFAK3TEJHRLKZALJS3AOU/
https://security.gentoo.org/glsa/202307-01
http://packetstormsecurity.com/files/173661/OpenSSH-Forwarded-SSH-Agent-Remote-Code-Execution.html
https://blog.qualys.com/vulnerabilities-threat-research/2023/07/19/cve-2023-38408-remote-code-execution-in-opensshs-forwarded-ssh-agent
https://github.com/openbsd/src/commit/7bc29a9d5cd697290aa056e94ecee6253d3425f8
https://github.com/openbsd/src/commit/f03a4faa55c4ce0818324701dadbf91988d7351d
https://github.com/openbsd/src/commit/f8f5a6b003981bb824329dc987d101977beda7ca
https://news.ycombinator.com/item?id=36790196
https://www.qualys.com/2023/07/19/cve-2023-38408/rce-openssh-forwarded-ssh-agent.txt
https://www.vicarius.io/vsociety/posts/exploring-opensshs-agent-forwarding-rce-cve-2023-38408
https://lists.debian.org/debian-lts-announce/2023/08/msg00021.html
http://www.openwall.com/lists/oss-security/2023/07/20/1
http://www.openwall.com/lists/oss-security/2023/07/20/2
http://www.openwall.com/lists/oss-security/2023/09/22/11
http://www.openwall.com/lists/oss-security/2023/09/22/9
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