RCE in Debian Linux
CVE-2020-10684
A flaw was found in Ansible Engine, all versions 2.7.x, 2.8.x and 2.9.x prior to 2.7.17, 2.8.9 and 2.9.6 respectively, when using ansible_facts as a subkey of itself and promoting it to a variable when inject is enabled, overwriting the ansible_facts after the clean. An attacker could take advantage of this by altering the ansible_facts, such as ansible_hosts, users and any other key data which would lead into privilege escalation or code injection.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.9 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (25.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000
Affected products
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 30, 31, 32
- Red Hat Ansible — versions all Ansible 2.7.x versions prior to 2.7.17, all Ansible 2.8.x versions prior to 2.8.9, all Ansible 2.9.x versions prior to 2.9.6
- Red Hat Ansible
- Red Hat Ansible Tower
- Red Hat OpenStack — versions 10, 13
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202006-11 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2021/dsa-4950 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-10684?
- CVE-2020-10684 is a high-severity vulnerability in Debian Linux, classified under Code Injection. CVSS score: 7.9/10. Published 2020-03-24.
- How severe is CVE-2020-10684?
- High severity. CVSS v3 base score is 7.9 out of 10.
- Is CVE-2020-10684 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.