Linux Kernel 3.12 Socket Calls recvmsg(2)/recvfrom(2)/recvmmsg(2) memory leak

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 3.12. The affected element is the function recvmsg(2)/recvfrom(2)/recvmmsg(2) of the component Socket Calls. Such manipulation leads to memory leak. This vulnerability is documented as CVE-2013-6405. Additionally, an exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Linux Kernel 3.12 (Operating System) and classified as problematic. Affected by this issue is the function recvmsg(2)/recvfrom(2)/recvmmsg(2) of the component Socket Calls. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is confidentiality, and integrity. CVE summarizes:

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2013-7263, CVE-2013-7264, CVE-2013-7265. Reason: This candidate is a duplicate of CVE-2013-7263, CVE-2013-7264, and CVE-2013-7265. Notes: All CVE users should reference CVE-2013-7263, CVE-2013-7264, and/or CVE-2013-7265 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

The weakness was released 11/18/2013 as CVE Request: Linux kernel: net: uninitialised memory leakage as confirmed mailinglist post (oss-sec). The advisory is shared for download at seclists.org. The public release was coordinated with the vendor. This vulnerability is handled as CVE-2013-6405 since 11/04/2013. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 83665 (SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2015:0068-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167544 (SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2015:0068-1)).

Applying the patch inet: prevent leakage of uninitialized memory to user in recv syscalls is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (83665), SecurityFocus (BID 63999†) and OSVDB (100422†). Entries connected to this vulnerability are available at VDB-11755, VDB-11756, VDB-11757 and VDB-11758. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.1
VulDB Temp Score: 4.6
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: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83665
Nessus Name: SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2015:0068-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 867119
OpenVAS Name: Fedora Update for kernel FEDORA-2013-22695
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: inet: prevent leakage of uninitialized memory to user in recv syscalls

Timelineinfo

11/04/2013 🔍
11/18/2013 +14 days 🔍
11/18/2013 +0 days 🔍
11/28/2013 +10 days 🔍
12/03/2013 +5 days 🔍
01/06/2014 +34 days 🔍
05/20/2015 +499 days 🔍
05/15/2018 +1091 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: CVE Request: Linux kernel: net: uninitialised memory leakage
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-6405 (🔍)
GCVE (CVE): GCVE-0-2013-6405
GCVE (VulDB): GCVE-100-11336
SecurityFocus: 63999 - RETIRED:Linux Kernel CVE-2013-6405 Memory Leak Multiple Local Information Disclosure Vulnerabilities
OSVDB: 100422

See also: 🔍

Entryinfo

Created: 12/03/2013 09:13
Updated: 05/15/2018 10:19
Changes: 12/03/2013 09:13 (71), 05/15/2018 10:19 (1)
Complete: 🔍
Committer:
Cache ID: 216:551:103

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