CVE-2013-0250

Public Exploit

Description

The init_nss_hash function in exec/totemcrypto.c in Corosync 2.0 before 2.3 does not properly initialize the HMAC key, which allows remote attackers to cause a denial of service (crash) via a crafted packet.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.76% Top 30%

Third-Party Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://secunia.com/advisories/52037	third party advisory
https://github.com/corosync/corosync/commit/b3f456a8ceefac6e9f2e9acc2ea0c159d412b595	patch exploit
http://seclists.org/oss-sec/2013/q1/213	mailing list
http://seclists.org/oss-sec/2013/q1/214	mailing list
http://seclists.org/oss-sec/2013/q1/212	mailing list

Frequently Asked Questions

What is the severity of CVE-2013-0250?: CVE-2013-0250 has been scored as a medium severity vulnerability.
How to fix CVE-2013-0250?: To fix CVE-2013-0250, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-0250 being actively exploited in the wild?: It is possible that CVE-2013-0250 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.