Use of Incorrectly-Resolved Name or Reference

Affecting gnupg package, versions <1.4.20-1ubuntu3.2

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Overview

mainproc.c in GnuPG before 2.2.8 mishandles the original filename during decryption and verification actions, which allows remote attackers to spoof the output that GnuPG sends on file descriptor 2 to other programs that use the "--status-fd 2" option. For example, the OpenPGP data might represent an original filename that contains line feed characters in conjunction with GOODSIG or VALIDSIG status codes.

References

CVSS Score

7.5
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    High
  • Availability
    None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVE
CVE-2018-12020
CWE
CWE-706
Snyk ID
SNYK-UBUNTU1604-GNUPG-340537
Disclosed
08 Jun, 2018
Published
08 Jun, 2018