Improper Data Handling

Affecting glibc package, versions *

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Overview

In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.

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-2009-5155
CWE
CWE-19
Snyk ID
SNYK-UBUNTU1804-GLIBC-345677
Disclosed
26 Feb, 2019
Published
26 Feb, 2019