CVE-2021-31872 — Integer Overflow or Wraparound in Project Klibc

CWE-190 — Integer Overflow or Wraparound7 documents6 sources
Severity
9.8CRITICALNVD
EPSS
1.2%
top 21.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Klibc Project KlibcDebian Linux
Timeline
PublishedApr 30
Latest updateMay 24

Description

An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDklibc_project/klibc< 2.0.9
▶Debianklibc_project/klibc< 2.0.8-6+3

Also affects: Debian Linux 9.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-4q4g-ccqq-vfqg: An issue was discovered in klibc before 2↗2022-05-24
▶
OSV
klibc vulnerabilities↗2022-04-18
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CVEList
CVE-2021-31872: An issue was discovered in klibc before 2↗2021-04-30
▶
OSV
CVE-2021-31872: An issue was discovered in klibc before 2↗2021-04-30
▶

📋Vendor Advisories

2
Ubuntu
klibc vulnerabilities↗2022-04-18
▶
Debian
CVE-2021-31872: klibc - An issue was discovered in klibc before 2.0.9. Multiple possible integer overflo...↗2021
▶
CVE-2021-31872 — Integer Overflow or Wraparound | cvebase