CVE-2013-0250

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Summary

CVECVE-2013-0250
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-06-06 14:55:03 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Corosync Corosync 2.0.0 All All All
Application Corosync Corosync 2.0.1 All All All
Application Corosync Corosync 2.0.2 All All All
Application Corosync Corosync 2.0.3 All All All
Application Corosync Corosync 2.1.0 All All All
Application Corosync Corosync 2.1.1 All All All
Application Corosync Corosync 2.2.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-sec: CVE Request -- Corosync (X < 2.0.3): Remote DoS due improper HMAC initialization and improper junk filtering when different encryption keys used af854a3a-2127-422b-91ae-364da2661108 seclists.org
Security Advisory SA52037 - Corosync HMAC Initialization Denial of Service Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
totemcrypto: fix hmac key initialization · corosync/corosync@b3f456a · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Patch
oss-sec: Re: CVE Request -- Corosync (2.0 <= X < 2.3): Remote DoS due improper HMAC initialization af854a3a-2127-422b-91ae-364da2661108 seclists.org
oss-sec: Re: Re: CVE Request -- Corosync (2.0 <= X < 2.3): Remote DoS due improper HMAC initialization af854a3a-2127-422b-91ae-364da2661108 seclists.org
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