openSUSE Security Update: Security update for tinyssh
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Announcement ID:    openSUSE-SU-2024:0036-1
Rating:             moderate
References:         #1218197 
Cross-References:   CVE-2023-48795
CVSS scores:
                    CVE-2023-48795 (NVD) : 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
                    CVE-2023-48795 (SUSE): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Products:
                    openSUSE Backports SLE-15-SP5
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   An update that fixes one vulnerability is now available.

Description:

   This update for tinyssh fixes the following issues:

   tinyssh was updated to 20240101 (boo#1218197, CVE-2023-48795):

     * fixed channel_forkpty() race condition between close(slave) in parent
       process and login_tty(slave) in child process
     * fixed behavior when using terminal mode and stdin redirected to
       /dev/null 'ssh -tt -n'
     * added an 'strict-key' key exchange kex-strict- s-v00@openssh.com
       (Mitigates CVE-2023-48795 "Terrapin attack")


Patch Instructions:

   To install this openSUSE Security 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 Backports SLE-15-SP5:

      zypper in -t patch openSUSE-2024-36=1



Package List:

   - openSUSE Backports SLE-15-SP5 (aarch64 i586 ppc64le s390x x86_64):

      tinyssh-20240101-bp155.2.3.1


References:

   https://www.suse.com/security/cve/CVE-2023-48795.html
   https://bugzilla.suse.com/1218197