AlmaLinuxALSA-2020:4545Moderate: libssh security, bug fix, and enhancement update
8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.
The following packages have been upgraded to a later upstream version: libssh (0.9.4). (BZ#1804797)
Security Fix(es):
-
libssh: denial of service when handling AES-CTR (or DES) ciphers (CVE-2020-1730)
-
libssh: unsanitized location in scp could lead to unwanted command execution (CVE-2019-14889)
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 | 8 | i686 | libssh | < 0.9.4-2.el8 | libssh-0.9.4-2.el8.i686.rpm |
| almalinux | 8 | x86_64 | libssh | < 0.9.4-2.el8 | libssh-0.9.4-2.el8.x86_64.rpm |
| almalinux | 8 | noarch | libssh-config | < 0.9.4-2.el8 | libssh-config-0.9.4-2.el8.noarch.rpm |
| almalinux | 8 | i686 | libssh-devel | < 0.9.4-2.el8 | libssh-devel-0.9.4-2.el8.i686.rpm |
| almalinux | 8 | x86_64 | libssh-devel | < 0.9.4-2.el8 | libssh-devel-0.9.4-2.el8.x86_64.rpm |
Related
8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C