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Improper Input Validation Affecting gnupg2 package, versions <0:2.0.14-9.el6_10

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.43% (75th percentile)
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NVD
7.5 high
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SUSE
7.3 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-CENTOS6-GNUPG2-2152579
  • published 26 Jul 2021
  • disclosed 8 Jun 2018
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Introduced: 8 Jun 2018

CVE-2018-12020 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Centos:6 gnupg2 to version 0:2.0.14-9.el6_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnupg2 package and not the gnupg2 package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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