Linux Kernel 2.6.20.4 atalk_sum_skb denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel 2.6.20.4. Affected by this vulnerability is the function atalk_sum_skb. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2007-1357. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.20.4 (Operating System). It has been rated as critical. Affected by this issue is the function atalk_sum_skb. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

The atalk_sum_skb function in AppleTalk for Linux kernel 2.6.x before 2.6.21, and possibly 2.4.x, allows remote attackers to cause a denial of service (crash) via an AppleTalk frame that is shorter than the specified length, which triggers a BUG_ON call when an attempt is made to perform a checksum.

The bug was discovered 04/06/2007. The weakness was published 04/10/2007 by Jean Delvare (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2007-1357 since 03/08/2007. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available 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 64 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 28064 (Ubuntu 6.06 LTS / 6.10 / 7.04 : linux-source-2.6.15/2.6.17/2.6.20 vulnerabilities (USN-464-1)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165077 (OpenSUSE Security Update for Kernel (SUSE-SA:2007:029)).

Upgrading to version 2.6.x eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33569), Exploit-DB (29826), Tenable (28064), SecurityFocus (BID 23376†) and OSVDB (34737†). Similar entries are available at VDB-27905, VDB-33399, VDB-35888 and VDB-35883. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 28064
Nessus Name: Ubuntu 6.06 LTS / 6.10 / 7.04 : linux-source-2.6.15/2.6.17/2.6.20 vulnerabilities (USN-464-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58337
OpenVAS Name: Debian Security Advisory DSA 1286-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kernel 2.6.x

Timelineinfo

02/05/2007 🔍
03/08/2007 +31 days 🔍
04/06/2007 +29 days 🔍
04/06/2007 +0 days 🔍
04/09/2007 +3 days 🔍
04/10/2007 +1 days 🔍
04/10/2007 +0 days 🔍
04/10/2007 +0 days 🔍
04/23/2007 +13 days 🔍
05/24/2007 +31 days 🔍
11/10/2007 +170 days 🔍
03/13/2015 +2680 days 🔍
12/20/2024 +3570 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: securityfocus.com⛔
Researcher: Jean Delvare
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1357 (🔍)
GCVE (CVE): GCVE-0-2007-1357
GCVE (VulDB): GCVE-100-36080

OVAL: 🔍

X-Force: 33569
SecurityFocus: 23376 - Linux Kernel AppleTalk ATalk_Sum_SKB Function Denial Of Service Vulnerability
Secunia: 24793
OSVDB: 34737 - Linux - Kernel - AppleTalk - ATalk_Sum_SKB Function - Denial Of Service Issue
Vulnerability Center: 14921 - Linux Kernel AppleTalk Denial of Service, Medium
Vupen: ADV-2007-1340

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

Entryinfo

Created: 03/13/2015 14:56
Updated: 12/20/2024 19:29
Changes: 03/13/2015 14:56 (85), 07/18/2019 11:12 (4), 12/20/2024 19:29 (22)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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