Linux Kernel 2.6.16.9 sctp_auth_asoc_get_hmac input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$5k-$25k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6.16.9 and classified as critical. This vulnerability affects the function sctp_auth_asoc_get_hmac. The manipulation results in input validation. This vulnerability is reported as CVE-2010-3705. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel 2.6.16.9 (Operating System). Affected is the function sctp_auth_asoc_get_hmac. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The sctp_auth_asoc_get_hmac function in net/sctp/auth.c in the Linux kernel before 2.6.36 does not properly validate the hmac_ids array of an SCTP peer, which allows remote attackers to cause a denial of service (memory corruption and panic) via a crafted value in the last element of this array.

The issue has been introduced in 03/20/2006. The weakness was disclosed 11/26/2010 by Dan Rosenberg (oss-sec). The advisory is available at openwall.com. This vulnerability is traded as CVE-2010-3705. The exploitability is told to be easy. The attack needs to be initiated within the local network. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/05/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 1712 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 50825 (Debian DSA-2126-1 : linux-2.6 - privilege escalation/denial of service/information leak), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155569 (Oracle Linux 5 Unbreakable Enterprise Kernel Security and Bug Fix Update (ELSA-2010-2011)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (50825), SecurityFocus (BID 43701†) and Vulnerability Center (SBV-27421†). The entries VDB-4176, VDB-55569, VDB-55564 and VDB-55563 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.6
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 50825
Nessus Name: Debian DSA-2126-1 : linux-2.6 - privilege escalation/denial of service/information leak
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 68662
OpenVAS Name: Debian Security Advisory DSA 2126-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 51e97a12bef19b7e43199fc153cf9bd5f2140362

Timelineinfo

03/20/2006 🔍
10/01/2010 +1655 days 🔍
10/04/2010 +3 days 🔍
10/04/2010 +0 days 🔍
10/05/2010 +1 days 🔍
11/26/2010 +52 days 🔍
11/26/2010 +0 days 🔍
03/19/2015 +1574 days 🔍
10/05/2021 +2392 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: DSA-2126
Researcher: Dan Rosenberg
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-3705 (🔍)
GCVE (CVE): GCVE-0-2010-3705
GCVE (VulDB): GCVE-100-55542

OVAL: 🔍

SecurityFocus: 43701 - Linux Kernel SCTP HMAC Handling Memory Corruption Vulnerability
Secunia: 42745
Vulnerability Center: 27421 - Linux kernel 2.6.35-rc6 and prior Remote DoS Vulnerability via Crafted HMAC Messages, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 10/05/2021 18:33
Changes: 03/19/2015 14:37 (59), 03/06/2017 17:11 (12), 10/05/2021 18:18 (8), 10/05/2021 18:25 (1), 10/05/2021 18:33 (2)
Complete: 🔍
Cache ID: 216:E30:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!