GNU C Library 2.12/2.12.1/2.12.2 Supplemental Streaming SIMD Extensions 3 memcpy code injection

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.6 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in GNU C Library 2.12/2.12.1/2.12.2 (Software Library). This affects an unknown code in the library memcpy of the component Supplemental Streaming SIMD Extensions 3. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability.
The issue has been introduced in 05/03/2010. The weakness was published 03/09/2012 (Website). It is possible to read the advisory at nodefense.org. This vulnerability is uniquely identified as CVE-2011-2702 since 07/11/2011. Attacking locally is a requirement. A authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.
A public exploit has been developed by c0ntex and been published 6 months after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 676 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 58318 (Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : eglibc, glibc vulnerabilities (USN-1396-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at eglibc.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Exploit-DB (20167), Tenable (58318), SecurityFocus (BID 37885†), OSVDB (80718†) and Secunia (SA48383†). Similar entries are available at VDB-4996 and VDB-51550.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Code injectionCWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: c0ntex
Download: 🔍
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Nessus ID: 58318
Nessus Name: Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : eglibc, glibc vulnerabilities (USN-1396-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 840929
OpenVAS Name: Ubuntu Update for eglibc USN-1396-1
OpenVAS File: 🔍
OpenVAS Family: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Patch: eglibc.org
Timeline
01/07/2010 🔍05/03/2010 🔍
07/11/2011 🔍
03/09/2012 🔍
03/09/2012 🔍
03/12/2012 🔍
03/12/2012 🔍
03/13/2012 🔍
04/02/2012 🔍
08/01/2012 🔍
08/01/2012 🔍
10/27/2014 🔍
08/12/2024 🔍
Sources
Vendor: gnu.orgAdvisory: nodefense.org
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-2702 (🔍)
OVAL: 🔍
SecurityFocus: 37885
Secunia: 48383 - Ubuntu update for GNU C Library, Moderately Critical
OSVDB: 80718
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 04/02/2012 11:04 PMUpdated: 08/12/2024 10:55 AM
Changes: 04/02/2012 11:04 PM (81), 04/18/2019 02:38 PM (1), 03/22/2021 01:14 PM (3), 03/22/2021 01:17 PM (2), 08/12/2024 10:55 AM (14)
Complete: 🔍
Cache ID: 18:251:40
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