Out-of-bounds write in Wine - CVE-2018-12933
Published: June 28, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36997
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-12933
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: winehq.org
Affected software:
Wine
Wine
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
PlayEnhMetaFileRecord in enhmetafile.c in Wine 3.7 allows attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact because the attacker controls the pCreatePen->ihPen array index.
How to mitigate CVE-2018-12933
Install update from vendor's website.
Sources
- https://bugs.launchpad.net/ubuntu/+source/wine/+bug/1764719
- https://bugs.winehq.org/attachment.cgi?id=61285
- https://bugs.winehq.org/show_bug.cgi?id=45106
- https://source.winehq.org/git/wine.git/commit/8d2676fd14f130f9e8f06744743423168bf8d18d
- https://source.winehq.org/git/wine.git/commit/b6da3547d8990c3c3affc3a5865aefd2a0946949