Use After Free in Gpgme_project Gpgme
CVE-2020-8945
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.
Vulnerability class: Use-After-Free
EPSS: 0.049 (91.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Gpgme_project Gpgme
- Fedoraproject Fedora — versions 30, 31, 32
- Redhat Enterprise_linux — versions 7.0, 8.0
- Redhat Enterprise_linux_for_ibm_z_systems — versions 7.0
- Redhat Enterprise_linux_for_power_little_endian — versions 7.0
- Redhat Enterprise_linux_server — versions 7.0
- Redhat Enterprise_linux_workstation — versions 7.0
- Redhat Openshift_container_platform — versions 3.11, 4.1, 4.2
- Redhat Openshift_container_platform_for_ibm_z — versions 4.1, 4.2
- Redhat Openshift_container_platform_for_linuxone — versions 4.1, 4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8945?
- CVE-2020-8945 is a high-severity vulnerability in Gpgme_project Gpgme, classified under Use After Free. CVSS score: 7.5/10. Published 2020-02-12.
- How severe is CVE-2020-8945?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-8945 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.