Heap-based buffer overflow in xorg-server (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-25712 |
| CWE-ID | CWE-122 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
xorg-server (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) Heap-based buffer overflow
EUVDB-ID: #VU48759
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25712
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within XkbSetDeviceInfo functionality. A local user can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system with elevated privileges.
Install update from vendor's website.
Vulnerable software versionsxorg-server (Alpine package): 1.20.9-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=f64db6b75e35f3de90155c1b46c555e3e2899b43
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
