Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.06
EPSS Ranking 90.2%
CVSS Severity
CVSS v3 Score 7.2
CVSS v2 Score 6.5
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
- https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
- https://www.openwall.com/lists/oss-security/2019/12/20/2
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
- https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
- https://www.openwall.com/lists/oss-security/2019/12/20/2
Products affected by CVE-2019-15694
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cpe:2.3:a:tigervnc:tigervnc:-
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cpe:2.3:a:tigervnc:tigervnc:0.0.90
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cpe:2.3:a:tigervnc:tigervnc:0.0.91
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cpe:2.3:a:tigervnc:tigervnc:1.0
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cpe:2.3:a:tigervnc:tigervnc:1.0.0
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cpe:2.3:a:tigervnc:tigervnc:1.0.1
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cpe:2.3:a:tigervnc:tigervnc:1.0.90
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cpe:2.3:a:tigervnc:tigervnc:1.1
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cpe:2.3:a:tigervnc:tigervnc:1.1.0
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cpe:2.3:a:tigervnc:tigervnc:1.1.90
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cpe:2.3:a:tigervnc:tigervnc:1.10.0
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cpe:2.3:a:tigervnc:tigervnc:1.2.0
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cpe:2.3:a:tigervnc:tigervnc:1.2.90
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cpe:2.3:a:tigervnc:tigervnc:1.3
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cpe:2.3:a:tigervnc:tigervnc:1.3.1
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cpe:2.3:a:tigervnc:tigervnc:1.3.90
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cpe:2.3:a:tigervnc:tigervnc:1.4.0
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cpe:2.3:a:tigervnc:tigervnc:1.4.1
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cpe:2.3:a:tigervnc:tigervnc:1.4.2
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cpe:2.3:a:tigervnc:tigervnc:1.4.3
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cpe:2.3:a:tigervnc:tigervnc:1.4.90
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cpe:2.3:a:tigervnc:tigervnc:1.5.0
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cpe:2.3:a:tigervnc:tigervnc:1.5.90
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cpe:2.3:a:tigervnc:tigervnc:1.6.0
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cpe:2.3:a:tigervnc:tigervnc:1.6.90
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cpe:2.3:a:tigervnc:tigervnc:1.7
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cpe:2.3:a:tigervnc:tigervnc:1.7.1
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cpe:2.3:a:tigervnc:tigervnc:1.7.90
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cpe:2.3:a:tigervnc:tigervnc:1.8.0
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cpe:2.3:a:tigervnc:tigervnc:1.8.90
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cpe:2.3:a:tigervnc:tigervnc:1.9.0
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cpe:2.3:a:tigervnc:tigervnc:1.9.90
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cpe:2.3:o:opensuse:leap:15.1