Vulnerability CVE-2021-31871
Published: 2021-04-30

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.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Klibc project -> Klibc 

 References:
https://kernel.org/pub/linux/libs/klibc/2.0/
https://lists.zytor.com/archives/klibc/2021-April/004593.html
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=2e48a12ab1e30d43498c2d53e878a11a1b5102d5
http://www.openwall.com/lists/oss-security/2021/04/30/1
Copyright 2024, cxsecurity.com

 

Back to Top