CVE-2018-6485

HIGH

Description

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.

References

http://bugs.debian.org/878159

http://www.securityfocus.com/bid/102912

https://access.redhat.com/errata/RHSA-2018:3092

https://sourceware.org/bugzilla/show_bug.cgi?id=22343

Details

Source: MITRE

Published: 2018-02-01

Updated: 2019-03-20

Type: CWE-190

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL