Vulnerability Description
An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Klibc Project | Klibc | < 2.0.9 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/04/30/1Mailing ListRelease NotesThird Party Advisory
- https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=2e48a12ab1e30d434PatchThird Party Advisory
- https://kernel.org/pub/linux/libs/klibc/2.0/Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00025.htmlMailing ListThird Party Advisory
- https://lists.zytor.com/archives/klibc/2021-April/004593.htmlMailing ListRelease NotesThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/30/1Mailing ListRelease NotesThird Party Advisory
- https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=2e48a12ab1e30d434PatchThird Party Advisory
- https://kernel.org/pub/linux/libs/klibc/2.0/Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00025.htmlMailing ListThird Party Advisory
- https://lists.zytor.com/archives/klibc/2021-April/004593.htmlMailing ListRelease NotesThird Party Advisory
FAQ
What is CVE-2021-31871?
CVE-2021-31871 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.
How severe is CVE-2021-31871?
CVE-2021-31871 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-31871?
Check the references section above for vendor advisories and patch information. Affected products include: Klibc Project Klibc, Debian Debian Linux.