RCE in Zmanda Amanda
CVE-2022-37704
Amanda 3.5.1 allows privilege escalation from the regular user backup to root. The SUID binary located at /lib/amanda/rundump will execute /usr/sbin/dump as root with controlled arguments from the attacker which may lead to escalation of privileges, denial of service, and information disclosure.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Zmanda Amanda — versions 3.5.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.amanda.org/ (Product)
- github.com/MaherAzzouzi/CVE-2022-37704 (Third Party Advisory)
- github.com/zmanda/amanda/issues/192
- marc.info/
- lists.debian.org/debian-lts-announce/2023/02/msg00025.html (mailing-list)
- 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)
- github.com/zmanda/amanda/pull/197 (Patch)
- github.com/zmanda/amanda/pull/205 (Patch)
Frequently asked questions
- What is CVE-2022-37704?
- CVE-2022-37704 is a medium-severity vulnerability in Zmanda Amanda, classified under Command Injection. CVSS score: 6.7/10. Published 2023-04-16.
- How severe is CVE-2022-37704?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2022-37704 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.