CVE-2019-15695
Publication date 26 December 2019
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
Status
Package | Ubuntu Release | Status |
---|---|---|
tigervnc | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.2 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
References
Other references
- https://www.openwall.com/lists/oss-security/2019/12/20/2
- https://github.com/TigerVNC/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89 (master)
- https://github.com/TigerVNC/tigervnc/commit/6c47340e095258a959c95db9aa2a6c715d62bf7c (v1.10.1)
- https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
- https://www.cve.org/CVERecord?id=CVE-2019-15695