Perl 5.10.0/5.10.1 telldir null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Perl 5.10.0/5.10.1 and classified as problematic. This impacts the function telldir. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2011-0761. In addition, an exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Perl 5.10.0/5.10.1 (Programming Language Software). It has been declared as problematic. This vulnerability affects the function telldir. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

Perl 5.10.x allows context-dependent attackers to cause a denial of service (NULL pointer dereference and application crash) by leveraging an ability to inject arguments into a (1) getpeername, (2) readdir, (3) closedir, (4) getsockname, (5) rewinddir, (6) tell, or (7) telldir function call.

The weakness was presented 05/13/2011 by Jonathan Brossard (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2011-0761 since 02/03/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in Perl. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 71119 (GLSA-201311-17 : Perl: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (67355), Exploit-DB (35725), Tenable (71119), SecurityFocus (BID 47766†) and SecurityTracker (ID 1025507†). See VDB-52831 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

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Nessus ID: 71119
Nessus Name: GLSA-201311-17 : Perl: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801790
OpenVAS Name: Perl Denial of Service Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Timelineinfo

02/03/2011 🔍
05/03/2011 +89 days 🔍
05/10/2011 +7 days 🔍
05/13/2011 +3 days 🔍
05/13/2011 +0 days 🔍
11/28/2013 +930 days 🔍
11/29/2013 +1 days 🔍
03/23/2015 +479 days 🔍
10/12/2024 +3491 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Jonathan Brossard
Status: Confirmed

CVE: CVE-2011-0761 (🔍)
GCVE (CVE): GCVE-0-2011-0761
GCVE (VulDB): GCVE-100-57418
X-Force: 67355
SecurityFocus: 47766 - Perl Multiple NULL Pointer Dereference Denial Of Service Vulnerabilities
SecurityTracker: 1025507

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 10/12/2024 22:04
Changes: 03/23/2015 16:50 (73), 02/09/2019 11:06 (3), 10/12/2024 22:04 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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