ZNC 0.092 substr denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in ZNC 0.092 and classified as problematic. This impacts the function substr. Performing a manipulation results in denial of service. This vulnerability was named CVE-2010-2934. There is no available exploit.

Detailsinfo

A vulnerability was found in ZNC 0.092. It has been classified as problematic. This affects the function substr. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Multiple unspecified vulnerabilities in ZNC 0.092 allow remote attackers to cause a denial of service (exception and daemon crash) via unknown vectors related to "unsafe substr() calls."

The weakness was presented 08/17/2010 as Bug 622600 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2010-2934 since 08/04/2010. 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 are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 48309 (Fedora 12 : znc-0.093-2.svn2101.fc12 (2010-12468)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118758 (Fedora Update for znc (FEDORA-2010-12481)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (48309), SecurityFocus (BID 42314†), Secunia (SA40919†) and Vulnerability Center (SBV-26819†). See VDB-54392 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 48309
Nessus Name: Fedora 12 : znc-0.093-2.svn2101.fc12 (2010-12468)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 862310
OpenVAS Name: Fedora Update for znc FEDORA-2010-12468
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/03/2010 🔍
08/03/2010 +0 days 🔍
08/04/2010 +1 days 🔍
08/09/2010 +5 days 🔍
08/16/2010 +7 days 🔍
08/17/2010 +1 days 🔍
08/17/2010 +0 days 🔍
03/19/2015 +1675 days 🔍
09/23/2021 +2380 days 🔍

Sourcesinfo

Advisory: Bug 622600
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-2934 (🔍)
GCVE (CVE): GCVE-0-2010-2934
GCVE (VulDB): GCVE-100-54393
SecurityFocus: 42314 - ZNC Multiple Denial Of Service Vulnerabilities
Secunia: 40919 - ZNC Denial of Service Vulnerabilities, Less Critical
Vulnerability Center: 26819 - ZNC 0.092 Remote DoS Vulnerability via a Crafted PING Command or a Malicious IRC Server, Medium
Vupen: ADV-2010-2071

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/23/2021 09:02
Changes: 03/19/2015 14:37 (61), 03/03/2017 08:05 (13), 09/23/2021 09:02 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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