CVE-2018-20096 — Out-of-bounds Read in Exiv2

CWE-125 — Out-of-bounds Read8 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
1.2%
top 20.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Exiv2Debian Exiv2
Timeline
PublishedDec 12
Latest updateMay 13

Description

There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDexiv2/exiv20.27
▶debiandebian/exiv2

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-7vjg-25hq-7fgh: There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage↗2022-05-13
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OSV
CVE-2018-20096: There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage↗2018-12-12
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📋Vendor Advisories

2
Red Hat
exiv2: Heap-based buffer over-read in Exiv2::tEXtToDataBuf function resulting in a denial of service↗2018-12-10
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Debian
CVE-2018-20096: exiv2 - There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of p...↗2018
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💬Community

3
Bugzilla
CVE-2018-20096 CVE-2018-20097 CVE-2018-20098 CVE-2018-20099 mingw-exiv2: various flaws [fedora-all]↗2018-12-18
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Bugzilla
CVE-2018-20096 exiv2: Heap-based buffer over-read in Exiv2::tEXtToDataBuf function resulting in a denial of service↗2018-12-18
▶
Bugzilla
CVE-2018-20096 CVE-2018-20097 CVE-2018-20098 CVE-2018-20099 exiv2: various flaws [fedora-all]↗2018-12-18
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