Missing Release of Resource after Effective Lifetime

Affecting glibc package, versions <2.24-11+deb9u4

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Overview

The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).

References

CVSS Score

5.9
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2017-15671
CWE
CWE-772
Snyk ID
SNYK-DEBIAN9-GLIBC-356647
Disclosed
20 Oct, 2017
Published
20 Oct, 2017