CVE-2020-8945 Information

Description

The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/errata/RHSA-2020:0679 https://access.redhat.com/errata/RHSA-2020:0689 https://access.redhat.com/errata/RHSA-2020:0697 https://bugzilla.redhat.com/show_bug.cgi?id=1795838 https://github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1 https://github.com/proglottis/gpgme/compare/v0.1.0…v0.1.1 https://github.com/proglottis/gpgme/pull/23 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6P6SSNKN4H6GSEVROHBDXA64PX7EOED/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KDBT77KV3U7BESJX3P4S4MPVDGRTAQA2/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WXV7NZELYWRRCXATXU3FYD3G3WJT3WYM/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5