Privilege escalation in xen (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-12135 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
xen (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Privilege escalation
EUVDB-ID: #VU7949
Risk: Low
CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-12135
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local attacker on the guest system to gain elevated privileges on the host system.
The weakness exists due to flaws in the processing of transitive grants. A local attacker on the guest system can escalate privileges on the host system.
Install update from vendor's website.
Vulnerable software versionsxen (Alpine package): 4.5.0-r0 - 4.6.3-r12
External linkshttp://git.alpinelinux.org/aports/commit/?id=777808728eee590185d5d0f60357c3e334fa40cd
http://git.alpinelinux.org/aports/commit/?id=88fbbb90ca25cd6378753538feb327abf36a30ac
http://git.alpinelinux.org/aports/commit/?id=91aea7ba80331c34e950b9ccb02e757d4471325c
http://git.alpinelinux.org/aports/commit/?id=4e31617722f0cbfc0e07928c7cc27aca51e667d8
http://git.alpinelinux.org/aports/commit/?id=d19612e9b3adfc33b29c071630e17fd1a15f36cd
http://git.alpinelinux.org/aports/commit/?id=48b94ffb4d6e3dda3dabb22b8c08089814fb86dc
http://git.alpinelinux.org/aports/commit/?id=605bcdc44def7408f05991fd6ecf6f7dfe7e683c
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
