Uncontrolled Recursion

Affecting glibc package, versions *

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Overview

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

CVSS Score

7.5
low severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2018-20796
CWE
CWE-674
Snyk ID
SNYK-UBUNTU1604-GLIBC-347781
Disclosed
26 Feb, 2019
Published
26 Feb, 2019