VulnerabilityModified
CVE-2021-31872
Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact.
CRITICAL 9.8EPSS 2.08%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.08% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- klibc project/klibc · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2021/04/30/1Mailing List, Release Notes, Third Party Advisory
- https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ffPatch, Third Party Advisory
- https://kernel.org/pub/linux/libs/klibc/2.0/Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00025.htmlThird Party Advisory
- https://lists.zytor.com/archives/klibc/2021-April/004593.htmlMailing List, Release Notes, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/30/1Mailing List, Release Notes, Third Party Advisory
- https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ffPatch, Third Party Advisory
- https://kernel.org/pub/linux/libs/klibc/2.0/Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00025.htmlThird Party Advisory
- https://lists.zytor.com/archives/klibc/2021-April/004593.htmlMailing List, Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.