SB2019070320 - Improper access control in libvirt (Alpine package)
Published: July 3, 2019
Security Bulletin ID
SB2019070320
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2019-10161)
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions in libvirtd that allow read-only clients to use the virDomainSaveImageGetXMLDesc() API. A local user with read-only access to the libvirtd socket can confirm presence of arbitrary files on the system, trigger denial of service condition or execute arbitrary applications on the affected system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=0a50437d8b8d5a583b96d5807d95e6b549772ba3
- https://git.alpinelinux.org/aports/commit/?id=1d40d3f92f355ffcb43aad049e0a560d60d31e16
- https://git.alpinelinux.org/aports/commit/?id=011b9d5c5ae0af504ab1bb28a042d56676636a00
- https://git.alpinelinux.org/aports/commit/?id=8cad441d0bb3d51026cb0231485848ce9a821e6a
- https://git.alpinelinux.org/aports/commit/?id=911332961e1fa7187cf3869595066bb18d226e27
- https://git.alpinelinux.org/aports/commit/?id=2d0114c907c5b85d78a75d70bd60c5544ed8eedb
- https://git.alpinelinux.org/aports/commit/?id=d8c86688b6afbadd18a78b88a430ed4cabe78e7c