AlmaLinuxALSA-2023:6643Moderate: libssh security update
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
Low
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
49.2%
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.
Security Fix(es):
- libssh: NULL pointer dereference during rekeying with algorithm guessing (CVE-2023-1667)
- libssh: authorization bypass in pki_verify_data_signature (CVE-2023-2283)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| almalinux | 9 | i686 | libssh-devel | < 0.10.4-11.el9 | libssh-devel-0.10.4-11.el9.i686.rpm |
| almalinux | 9 | ppc64le | libssh-devel | < 0.10.4-11.el9 | libssh-devel-0.10.4-11.el9.ppc64le.rpm |
| almalinux | 9 | aarch64 | libssh-devel | < 0.10.4-11.el9 | libssh-devel-0.10.4-11.el9.aarch64.rpm |
| almalinux | 9 | x86_64 | libssh-devel | < 0.10.4-11.el9 | libssh-devel-0.10.4-11.el9.x86_64.rpm |
| almalinux | 9 | s390x | libssh-devel | < 0.10.4-11.el9 | libssh-devel-0.10.4-11.el9.s390x.rpm |
| almalinux | 9 | i686 | libssh | < 0.10.4-11.el9 | libssh-0.10.4-11.el9.i686.rpm |
| almalinux | 9 | noarch | libssh-config | < 0.10.4-11.el9 | libssh-config-0.10.4-11.el9.noarch.rpm |
| almalinux | 9 | s390x | libssh | < 0.10.4-11.el9 | libssh-0.10.4-11.el9.s390x.rpm |
| almalinux | 9 | x86_64 | libssh | < 0.10.4-11.el9 | libssh-0.10.4-11.el9.x86_64.rpm |
| almalinux | 9 | aarch64 | libssh | < 0.10.4-11.el9 | libssh-0.10.4-11.el9.aarch64.rpm |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
Low
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
49.2%