CVE-2020-8945
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 5.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 5.1% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 5.1% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Gpgme Project Gpgme < 0.1.1
- Redhat Openshift Container Platform 3.11
- Redhat Openshift Container Platform 4.1
- Redhat Openshift Container Platform 4.2
- Redhat Openshift Container Platform 4.3
- Redhat Openshift Container Platform 4.4
- Redhat Openshift Container Platform 4.5
- Redhat Openshift Container Platform For IBM Z 4.1
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-8945.md and follow it. Check whether this project is affected by CVE-2020-8945. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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://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
References
- 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%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6P6SSNKN4H6GSEVROHBDXA64PX7EOED/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDBT77KV3U7BESJX3P4S4MPVDGRTAQA2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXV7NZELYWRRCXATXU3FYD3G3WJT3WYM/
- 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%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6P6SSNKN4H6GSEVROHBDXA64PX7EOED/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDBT77KV3U7BESJX3P4S4MPVDGRTAQA2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXV7NZELYWRRCXATXU3FYD3G3WJT3WYM/