CVE-2013-0250

CVE-2013-0250 is a medium-severity vulnerability in Corosync with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2013-0250?
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.
How severe is CVE-2013-0250?
CVE-2013-0250 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-0250 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0250?
CVE-2013-0250 primarily affects Corosync. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0250?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0250 published?
CVE-2013-0250 was published on 2014-06-06 and last updated on 2026-06-16.

References

Affected products (7)

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