CVE-2021-31292 — Integer Overflow or Wraparound in Exiv2

CWE-190 — Integer Overflow or WraparoundCWE-125 — Out-of-bounds Read5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.6%
top 31.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Exiv2Debian Exiv2Debian Linux+1 more
Timeline
PublishedJul 26
Latest updateMay 24

Description

An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/exiv2< exiv2 0.27.3-3.1 (bookworm)
▶Debianexiv2/exiv2< 0.27.3-3+deb11u1+3
▶NVDexiv2/exiv20.27.3

Also affects: Debian Linux 10.0, 9.0, Fedora 33, 34

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-6558-x489-9qhw: An integer overflow in CrwMap::encode0x1810 of Exiv2 0↗2022-05-24
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OSV
CVE-2021-31292: An integer overflow in CrwMap::encode0x1810 of Exiv2 0↗2021-07-26
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📋Vendor Advisories

2
Red Hat
exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS↗2021-07-26
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Debian
CVE-2021-31292: exiv2 - An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to ...↗2021
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