OpenSSL 0.9.7/0.9.8/1.0.0a ssl3_get_key_exchange resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in OpenSSL 0.9.7/0.9.8/1.0.0a. This vulnerability affects the function ssl3_get_key_exchange. Performing a manipulation results in resource management. This vulnerability is reported as CVE-2010-2939. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical has been found in OpenSSL 0.9.7/0.9.8/1.0.0a (Network Encryption Software). This affects the function ssl3_get_key_exchange. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.

The issue has been introduced in 12/31/2002. The weakness was disclosed 08/17/2010 by Georgi Guninski (Website). It is possible to read the advisory at vupen.com. This vulnerability is uniquely identified as CVE-2010-2939 since 08/04/2010. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2786 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17767 (OpenSSL < 0.9.8p / 1.0.0e Double Free Vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216013 (VMWare ESXi 4.0.0 Patch Release ESXi400-201103001 Missing (KB1032823)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10679.

The vulnerability is also documented in the databases at Exploit-DB (34427), Tenable (17767), SecurityFocus (BID 42306†), Secunia (SA40906†) and SecurityTracker (ID 1024296†). The entries VDB-3781, VDB-3782, VDB-3780 and VDB-3779 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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: 17767
Nessus Name: OpenSSL < 0.9.8p / 1.0.0e Double Free Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 67987
OpenVAS Name: Debian Security Advisory DSA 2100-1 (openssl)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/31/2002 🔍
08/04/2010 +2773 days 🔍
08/07/2010 +3 days 🔍
08/07/2010 +0 days 🔍
08/09/2010 +2 days 🔍
08/09/2010 +0 days 🔍
08/17/2010 +8 days 🔍
08/17/2010 +0 days 🔍
08/19/2010 +2 days 🔍
01/04/2012 +503 days 🔍
03/19/2015 +1170 days 🔍
11/10/2024 +3524 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: USN-1003-1⛔
Researcher: Georgi Guninski
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2939 (🔍)
GCVE (CVE): GCVE-0-2010-2939
GCVE (VulDB): GCVE-100-54387

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 42306 - OpenSSL 'ssl3_get_key_exchange()' Use-After-Free Memory Corruption Vulnerability
Secunia: 40906 - OpenSSL "ssl3_get_key_exchange()" Use-After-Free Vulnerability, Moderately Critical
SecurityTracker: 1024296 - OpenSSL Key Exchange Memory Corruption Error Lets Remote Users Deny Service
Vulnerability Center: 26842 - OpenSSL 1.0.0a ssl3_get_key_exchange() Remote DoS or Code Execution Vulnerability, Medium
Vupen: ADV-2010-2038

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

Entryinfo

Created: 03/19/2015 14:37
Updated: 11/10/2024 23:23
Changes: 03/19/2015 14:37 (71), 03/03/2017 08:09 (23), 09/23/2021 08:52 (3), 09/23/2021 08:53 (1), 11/10/2024 23:23 (15)
Complete: 🔍
Cache ID: 216:D8C:103

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