Use After Free

Affecting bash package, versions <4.4-3

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NVD Description

Note: Versions mentioned in the description apply to the upstream bash package. See Remediation section below for Debian:10 relevant versions.

popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.

Remediation

Upgrade Debian:10 bash to version 4.4-3 or higher.

References

CVSS Score

5.5
medium severity
  • Attack Vector
    Local
  • Attack Complexity
    Low
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2016-9401
CWE
CWE-416
Snyk ID
SNYK-DEBIAN10-BASH-351558
Disclosed
23 Jan, 2017
Published
23 Jan, 2017