CVE-2021-36083 : KDE KImageFormats 5.70.0 through 5.81.0 has a stack-based buffer overflow in XCF

KDE KImageFormats 5.70.0 through 5.81.0 has a stack-based buffer overflow in XCFImageFormat::loadTileRLE.

Published 2021-07-01 03:15:09

Updated 2021-07-08 17:36:29

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2021-36083

KDE » Kimageformats
Versions from including (>=) 5.70.0 and up to, including, (<=) 5.81.0
cpe:2.3:a:kde:kimageformats:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.16%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 51 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://invent.kde.org/frameworks/kimageformats/commit/297ed9a2fe339bfe36916b9fce628c3242e5be0f

xcf: Fix Stack-buffer-overflow WRITE on broken files (297ed9a2) · Commits · Frameworks / KImageFormats · GitLab
Patch;Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33742

33742 - kimageformats:kimgio_xcf_fuzzer: Stack-buffer-overflow in XCFImageFormat::loadTileRLE - oss-fuzz
Exploit;Issue Tracking;Patch;Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/kimageformats/OSV-2021-695.yaml

oss-fuzz-vulns/OSV-2021-695.yaml at main · google/oss-fuzz-vulns · GitHub
Third Party Advisory

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