CVE-2022-37705 — A privilege escalation flaw was found in Amanda 3

A privilege escalation flaw was found in Amanda 3.5.1 in which the backup user can acquire root privileges. The vulnerable component is the runtar SUID program, which is a wrapper to run /usr/bin/tar with specific arguments that are controllable by the attacker. This program mish

01What is this vulnerability?

A privilege escalation flaw was found in Amanda 3.5.1 in which the backup user can acquire root privileges. The vulnerable component is the runtar SUID program, which is a wrapper to run /usr/bin/tar with specific arguments that are controllable by the attacker. This program mishandles the arguments passed to tar binary (it expects that the argument name and value are separated with a space…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-16T00:00:00.000Z
• Last modified: 2025-11-04T16:09:50.106Z

09References

• www.amanda.org — http://www.amanda.org/
• github.com — https://github.com/MaherAzzouzi/CVE-2022-37705
• github.com — https://github.com/zmanda/amanda/issues/192
• marc.info — https://marc.info/?l=amanda-hackers
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• github.com — https://github.com/zmanda/amanda/pull/194
• github.com — https://github.com/zmanda/amanda/pull/196
• github.com — https://github.com/zmanda/amanda/pull/204
• github.com — https://github.com/zmanda/amanda/releases/tag/tag-community-3.5.3
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/12/msg00003.html