CVE-2021-31870

Name

CVE-2021-31870

Description

An issue was discovered in klibc before 2.0.9. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow.

NVD Severity

high

Other trackers

CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia

Mailing lists

oss-security, full-disclosure, bugtraq

Exploits

Exploit DB, Metasploit

Forges

GitHub (code, issues), Aports (code, issues)

References

Type	URI
MISC	https://kernel.org/pub/linux/libs/klibc/2.0/
MISC	https://lists.zytor.com/archives/klibc/2021-April/004593.html
MISC	https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2
MLIST	http://www.openwall.com/lists/oss-security/2021/04/30/1
MLIST	https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html

Match rules

CPE URI	Source package	Min version	Max version
`cpe:2.3:a:klibc_project:klibc::::::::`	klibc	>= None	< 2.0.9:
`cpe:2.3:a:klibc_project:klibc::::::::`	klibc	>= None	< 2.0.9

Vulnerable and fixed packages

Source package	Branch	Version	Maintainer	Status