Vulnerability Monitor

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CVE-2019-15694

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

Published

2019-12-26T15:15:11.337

Last Modified

2024-11-21T04:29:16.497

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-122
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	tigervnc	tigervnc	< 1.10.1	Yes
Operating System	opensuse	leap	15.1	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html Mailing List, Third Party Advisory ([email protected])
https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438 Exploit, Patch, Third Party Advisory ([email protected])
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 Release Notes, Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2019/12/20/2 Exploit, Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2019/12/20/2 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)