Home/CVE/lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.
CVE

CVE-2012-1577

lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.

lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.

CRITICAL · CVSS 9.8 EPSS 0.00914
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-335Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)
▤

Affected Products & Versions

3
dietlibc project dietlibcall versions
openbsdall versions
debian linuxall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Dec 2019 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/random.c#rev1.16Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/03/23/14Mailing ListThird Party Advisory
https://github.com/ensc/dietlibc/blob/master/CHANGESThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2012-1577Third Party Advisory
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