VDB-69963 · CVE-2013-0250 · SA52037

Corosync up to 2.2.0 init_nss_hash initialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Corosync up to 2.2.0. It has been classified as problematic. This affects the function init_nss_hash. The manipulation with an unknown input leads to a initialization vulnerability. CWE is classifying the issue as CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was presented 06/06/2014 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2013-0250 since 12/06/2012. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.0.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Secunia (SA52037†).

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Corosync 2.0.1
Patch: github.com

Timelineinfo

12/06/2012 🔍
02/04/2013 +60 days 🔍
06/06/2014 +487 days 🔍
06/06/2014 +0 days 🔍
03/26/2015 +293 days 🔍
03/22/2022 +2553 days 🔍

Sourcesinfo

Advisory: b3f456a8ceefac6e9f2e9acc2ea0c159d412b595
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0250 (🔍)
Secunia: 52037 - Corosync HMAC Initialization Denial of Service Vulnerability, Moderately Critical

Entryinfo

Created: 03/26/2015 12:07 PM
Updated: 03/22/2022 12:40 PM
Changes: 03/26/2015 12:07 PM (50), 03/10/2019 03:36 PM (2), 03/22/2022 12:40 PM (4)
Complete: 🔍
Cache ID: 18:94E:40

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