CVE-2018-11237

MEDIUM

Description

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

References

http://www.securityfocus.com/bid/104256

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

https://sourceware.org/bugzilla/show_bug.cgi?id=23196

https://www.exploit-db.com/exploits/44750/

Details

Source: MITRE

Published: 2018-05-18

Updated: 2019-03-21

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 4.6

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

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH