OpenSSL up to 0.9.8f ssl_get_shared_ciphers numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in OpenSSL. The affected element is the function ssl_get_shared_ciphers. This manipulation causes numeric error. This vulnerability is handled as CVE-2007-5135. There is not any exploit available.

Detailsinfo

A vulnerability has been found in OpenSSL (Network Encryption Software) and classified as critical. Affected by this vulnerability is the function ssl_get_shared_ciphers. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible.

The bug was discovered 09/27/2007. The weakness was released 09/27/2007 by Moritz Jodeit (Website). The advisory is shared at redhat.com. This vulnerability is known as CVE-2007-5135 since 09/27/2007. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/29/2021).

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1731 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 17758 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38595 (OpenSSL "SSL_get_shared_ciphers()" Off-By-One Buffer Overflow).

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 8981.

The vulnerability is also documented in the databases at X-Force (36837), Tenable (17758), SecurityFocus (BID 25831†), OSVDB (29262†) and Secunia (SA27394†). Entries connected to this vulnerability are available at VDB-2576, VDB-3704 and VDB-39241. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 17758
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 58639
OpenVAS Name: Debian Security Advisory DSA 1379-1 (openssl)
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: 🔍
TippingPoint: 🔍
SourceFire IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/31/2002 🔍
09/27/2007 +1731 days 🔍
09/27/2007 +0 days 🔍
09/27/2007 +0 days 🔍
09/27/2007 +0 days 🔍
09/27/2007 +0 days 🔍
09/27/2007 +0 days 🔍
10/01/2007 +4 days 🔍
10/07/2007 +6 days 🔍
10/26/2007 +19 days 🔍
03/16/2015 +2698 days 🔍
07/29/2021 +2327 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: redhat.com
Researcher: Moritz Jodeit
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-5135 (🔍)
GCVE (CVE): GCVE-0-2007-5135
GCVE (VulDB): GCVE-100-39001

OVAL: 🔍

X-Force: 36837
SecurityFocus: 25831 - OpenSSL SSL_Get_Shared_Ciphers Off-by-One Buffer Overflow Vulnerability
Secunia: 27394
OSVDB: 29262 - OpenSSL SSL_get_shared_ciphers() off-by-one buffer overflow
SecurityTracker: 1018755
Vulnerability Center: 16261 - OpenSSL Buffer Overflow Vulnerability Allows Remote Attacker to Execute Arbitrary Code and Cause DoS, High
Vupen: ADV-2007-3625

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/29/2021 08:27
Changes: 03/16/2015 12:18 (82), 07/27/2019 09:36 (3), 07/29/2021 08:27 (3)
Complete: 🔍
Cache ID: 216:DA1:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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