CVE-2019-15693 — Heap-based Buffer Overflow in Tigervnc

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write7 documents6 sources
Severity
7.2HIGHNVD
EPSS
9.0%
top 7.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
TigervncDebian TigervncKaspersky Tigervnc
Timeline
PublishedDec 26
Latest updateMay 24

Description

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 1.2 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/tigervnc< tigervnc 1.10.1+dfsg-1 (bookworm)
▶NVDtigervnc/tigervnc< 1.10.1
▶Debiantigervnc/tigervnc< 1.10.1+dfsg-1+3
▶CVEListV5kaspersky/tigervnc1.10.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-xv8c-xf4m-4698: TigerVNC version prior to 1↗2022-05-24
▶
OSV
CVE-2019-15693: TigerVNC version prior to 1↗2019-12-26
▶

📋Vendor Advisories

2
Red Hat
tigervnc: Heap buffer overflow in TightDecoder::FilterGradient↗2019-12-20
▶
Debian
CVE-2019-15693: tigervnc - TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which oc...↗2019
▶

💬Community

2
Bugzilla
CVE-2019-15693 tigervnc: Heap buffer overflow in TightDecoder::FilterGradient [fedora-all]↗2020-01-13
▶
Bugzilla
CVE-2019-15693 tigervnc: Heap buffer overflow in TightDecoder::FilterGradient↗2020-01-13
▶
CVE-2019-15693 — Heap-based Buffer Overflow in Tigervnc | cvebase