VulnerabilityModified
CVE-2019-15694
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect.
HIGH 7.2EPSS 4.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.49% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- tigervnc/tigervnc · opensuse/leap
- Source
- vulnerability@kaspersky.com
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlMailing List, Third Party Advisory
- https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438Exploit, Patch, Third Party Advisory
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1Release Notes, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2019/12/20/2Exploit, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlMailing List, Third Party Advisory
- https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438Exploit, Patch, Third Party Advisory
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1Release Notes, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2019/12/20/2Exploit, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.