Linux Kernel 2.4.0 sockaddr_in.sin_zero memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel 2.4.0. The impacted element is an unknown function. Such manipulation of the argument sockaddr_in.sin_zero leads to memory corruption. This vulnerability is listed as CVE-2006-1342. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.4.0 (Operating System). Affected by this issue is an unknown functionality. The manipulation of the argument sockaddr_in.sin_zero with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality. CVE summarizes:

net/ipv4/af_inet.c in Linux kernel 2.4 does not clear sockaddr_in.sin_zero before returning IPv4 socket names from the (1) getsockname, (2) getpeername, and (3) accept functions, which allows local users to obtain portions of potentially sensitive memory.

The bug was discovered 03/04/2006. The weakness was presented 03/23/2006 by Pavel Kankovsky (Website). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is handled as CVE-2006-1342 since 03/21/2006. The attack can only be done within the local network. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22058 (Mandrake Linux Security Advisory : kernel (MDKSA-2006:123)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117692 (CentOS Security Update for Kernel (CESA-2006:0579)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (25425), Exploit-DB (27461), Tenable (22058), SecurityFocus (BID 17203†) and OSVDB (24071†). See VDB-1775, VDB-2179, VDB-2182 and VDB-2224 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22058
Nessus Name: Mandrake Linux Security Advisory : kernel (MDKSA-2006:123)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: kernel.org

Timelineinfo

03/04/2006 🔍
03/21/2006 +17 days 🔍
03/21/2006 +0 days 🔍
03/21/2006 +0 days 🔍
03/23/2006 +2 days 🔍
03/23/2006 +0 days 🔍
03/23/2006 +0 days 🔍
03/23/2006 +0 days 🔍
03/29/2006 +5 days 🔍
07/13/2006 +106 days 🔍
07/18/2006 +5 days 🔍
07/25/2006 +7 days 🔍
02/02/2025 +6767 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: marc.theaimsgroup.com
Researcher: Pavel Kankovsky
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-1342 (🔍)
GCVE (CVE): GCVE-0-2006-1342
GCVE (VulDB): GCVE-100-2108
X-Force: 25425
SecurityFocus: 17203 - Linux Kernel Ssockaddr_In.Sin_Zero Kernel Memory Disclosure Vulnerabilities
Secunia: 19357 - Linux Kernel IPv4 "sockaddr_in.sin_zero" Information Disclosure, Not Critical
OSVDB: 24071 - Linux Kernel IPv4 sockaddr_in.sin_zero Local Information Disclosure
Vulnerability Center: 12342 - Linux Kernel Memory Portions Disclosure in Multiple Function, Low
Vupen: ADV-2006-4502

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

Entryinfo

Created: 03/29/2006 12:41
Updated: 02/02/2025 05:20
Changes: 03/29/2006 12:41 (94), 06/23/2019 08:49 (3), 02/02/2025 05:20 (19)
Complete: 🔍
Cache ID: 216:E6F:103

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