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openSUSE 15.X: SUSE-SU-2023:2945-1 Important: Remote Execution Fix

opensuse
Calendar Grey July 24, 2023
Dist Opensuse Esm H88
Crucial OpenSSH patch released addressing remote code execution vulnerability identified in CVE-2023-38408 affecting various SUSE versions.
This update for openssh fixes the following issues: CVE-2023-38408: Fixed a condition where specific libaries loaded via ssh- agent(1)'s PKCS#11 support could be abused to achieve ...

Description

This update for openssh fixes the following issues:

* CVE-2023-38408: Fixed a condition where specific libaries 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]

Topics%20covered

Topics Covered

security advisory remote execution security patch CVE fix openssh SUSE important update

Patch

## Patch Instructions:

To install this SUSE Important update use the SUSE recommended installation

methods like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap Micro 5.3

zypper in -t patch openSUSE-Leap-Micro-5.3-2023-2945=1

* openSUSE Leap 15.4

zypper in -t patch openSUSE-SLE-15.4-2023-2945=1

* openSUSE Leap 15.5

zypper in -t patch openSUSE-SLE-15.5-2023-2945=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2023-2945=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2023-2945=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2023-2945=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2023-2945=1

* Basesystem Module 15-SP4

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-2945=1

* Basesystem Module 15-SP5

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-2945=1

* Desktop Applications Module 15-SP4

zypper...

Read the Full Advisory

Package List

* openSUSE Leap Micro 5.3 (aarch64 x86_64)

* openssh-server-debuginfo-8.4p1-150300.3.22.1

* openssh-common-debuginfo-8.4p1-150300.3.22.1

* openssh-clients-8.4p1-150300.3.22.1

* openssh-server-8.4p1-150300.3.22.1

* openssh-common-8.4p1-150300.3.22.1

* openssh-8.4p1-150300.3.22.1

* openssh-fips-8.4p1-150300.3.22.1

* openssh-clients-debuginfo-8.4p1-150300.3.22.1

* openssh-debuginfo-8.4p1-150300.3.22.1

* openssh-debugsource-8.4p1-150300.3.22.1

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)

* openssh-server-debuginfo-8.4p1-150300.3.22.1

* openssh-askpass-gnome-8.4p1-150300.3.22.1

* openssh-cavs-debuginfo-8.4p1-150300.3.22.1

* openssh-common-debuginfo-8.4p1-150300.3.22.1

* openssh-askpass-gnome-debuginfo-8.4p1-150300.3.22.1

* openssh-clients-8.4p1-150300.3.22.1

* openssh-server-8.4p1-150300.3.22.1

* openssh-common-8.4p1-150300.3.22.1

* openssh-8.4p1-150300.3.22.1

* openssh-helpers-8.4p1-150300.3.22.1

* openssh-cavs-8.4p1-150300.3.22.1

* openssh-helpers-debuginfo-8.4p1-150300.3.22.1

*...

Read the Full Advisory

References

* #1186673

* #1209536

* #1213004

* #1213008

* #1213504

## References:

* https://www.suse.com/security/cve/CVE-2023-38408.html

* https://bugzilla.suse.com/show_bug.cgi?id=1186673

* https://bugzilla.suse.com/show_bug.cgi?id=1209536

* https://bugzilla.suse.com/show_bug.cgi?id=1213004

* https://bugzilla.suse.com/show_bug.cgi?id=1213008

* https://bugzilla.suse.com/show_bug.cgi?id=1213504

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:2945-1
Rating: important

Topics%20covered

Topics Covered

security advisory remote execution security patch CVE fix openssh SUSE important update

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