CVE-2018-20796

high

Description

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\\1\\1|t1|\\\2537)+' in grep.

References

http://www.securityfocus.com/bid/107160

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141

https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html

https://security.netapp.com/advisory/ntap-20190315-0002/

https://support.f5.com/csp/article/K26346590?utm_source=f5support&utm_medium=RSS

Details

Source: MITRE

Published: 2019-02-26

Updated: 2019-11-05

Type: CWE-674

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH