VDB-11002 · BID 63232 · OSVDB 98970

GNU C Library 2.5 elf_machine_rel denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in GNU C Library 2.5. This affects the function elf_machine_rel. Executing a manipulation can lead to denial of service. The attack is restricted to local execution. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in GNU C Library 2.5 (Software Library) and classified as problematic. This vulnerability affects the function elf_machine_rel. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The bug was discovered 09/04/2012. The weakness was disclosed 10/20/2013 by x90c as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. The vendor was not involved in the coordination of the public release. Local access is required to approach this attack. The requirement for exploitation is a single authentication. Technical details and also a public exploit are known.

A public exploit has been developed by x90c. It is possible to download the exploit at x90c.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 411 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 63232†) and OSVDB (98970†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: x90c
Download: 🔍
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: C Library 2.6

Timelineinfo

09/04/2012 🔍
10/20/2013 +411 days 🔍
10/20/2013 +0 days 🔍
10/28/2013 +8 days 🔍
06/07/2017 +1318 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: seclists.org
Researcher: x90c
Status: Not defined

GCVE (VulDB): GCVE-100-11002
SecurityFocus: 63232 - GNU glibc 'elf_machine_rel()' Denial of Service Vulnerability
OSVDB: 98970

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

Entryinfo

Created: 10/28/2013 12:02
Updated: 06/07/2017 15:08
Changes: 10/28/2013 12:02 (48), 06/07/2017 15:08 (6)
Complete: 🔍
Committer:
Cache ID: 216:D4E:103

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