Vulnerability in Dietlibc
CVE-2012-1577
lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.
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: 0.015 (74.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Dietlibc — versions before 0.33
- Dietlibc Project
- OpenBSD
- Debian Linux — versions 8.0, 9.0, 10.0
Weakness classification (CWE)
References
- security-tracker.debian.org/tracker/CVE-2012-1577 (Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/03/23/14 (Mailing List, Third Party Advisory)
- cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/random.c (Vendor Advisory)
- github.com/ensc/dietlibc/blob/master/CHANGES (Third Party Advisory)
Frequently asked questions
- What is CVE-2012-1577?
- CVE-2012-1577 is a critical-severity vulnerability in Dietlibc, classified under Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG). CVSS score: 9.8/10. Published 2019-12-10.
- How severe is CVE-2012-1577?
- Critical severity. CVSS v3 base score is 9.8 out of 10.