Buffer overflow in Bareos
CVE-2020-11061
In Bareos Director less than or equal to 16.2.10, 17.2.9, 18.2.8, and 19.2.7, a heap overflow allows a malicious client to corrupt the director's memory via oversized digest strings sent during initialization of a verify job. Disabling verify jobs mitigates the problem. This issue is also patched in Bareos versions 19.2.8, 18.2.9 and 17.2.10.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.012 (68.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% 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
- Bareos — versions 18.2.4
- Bareos Gmbh & Co. Kg Director — versions <= 16.2.10, <= 17.2.9, <= 18.2.8
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- github.com/bareos/bareos/security/advisories/GHSA-mm45-cg35-54j4 (Third Party Advisory)
- bugs.bareos.org/view.php (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00051.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11061?
- CVE-2020-11061 is a medium-severity vulnerability in Bareos, classified under Heap-based Buffer Overflow. CVSS score: 6.0/10. Published 2020-07-10.
- How severe is CVE-2020-11061?
- Medium severity. CVSS v3 base score is 6.0 out of 10.