Deserialization in Lesspipe Project
CVE-2022-44542
lesspipe before 2.06 allows attackers to execute code via Perl Storable (pst) files, because of deserialized object destructor execution via a key/value pair in a hash.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (68.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.gentoo.org/865631 (Patch, Third Party Advisory, Issue Tracking)
- github.com/wofr06/lesspipe/releases/tag/v2.06 (Third Party Advisory, Release Notes)
- security.gentoo.org/glsa/202211-02 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-44542?
- CVE-2022-44542 is a critical-severity vulnerability in Lesspipe Project, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-11-01.
- How severe is CVE-2022-44542?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-44542 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.