Mozilla Firefox up to 6.0 Browser Engine memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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10.0$25k-$100k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mozilla Firefox. This impacts an unknown function of the component Browser Engine. This manipulation causes memory corruption. This vulnerability is handled as CVE-2011-2995. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as very critical was found in Mozilla Firefox (Web Browser). Affected by this vulnerability is some unknown processing of the component Browser Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.23 and 4.x through 6, Thunderbird before 7.0, and SeaMonkey before 2.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

The weakness was released 09/28/2011 as Bug 665360 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is known as CVE-2011-2995 since 08/01/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 11/20/2021).

The vulnerability scanner Nessus provides a plugin with the ID 56311 (CentOS 4 / 5 : firefox (CESA-2011:1341)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119626 (Red Hat Update for Xulrunner Firefox (RHSA-2011:1341)).

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 (56311), SecurityFocus (BID 49810†) and Vulnerability Center (SBV-33350†). Entries connected to this vulnerability are available at VDB-58785, VDB-58775, VDB-58774 and VDB-58770. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 10.0

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56311
Nessus Name: CentOS 4 / 5 : firefox (CESA-2011:1341)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 70401
OpenVAS Name: Debian Security Advisory DSA 2312-1 (iceape)
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: 🔍

Timelineinfo

08/01/2011 🔍
09/27/2011 +57 days 🔍
09/28/2011 +1 days 🔍
09/28/2011 +0 days 🔍
10/02/2011 +4 days 🔍
03/23/2015 +1268 days 🔍
11/20/2021 +2434 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 665360
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-2995 (🔍)
GCVE (CVE): GCVE-0-2011-2995
GCVE (VulDB): GCVE-100-58771

OVAL: 🔍

SecurityFocus: 49810
Secunia: 46315
Vulnerability Center: 33350 - Mozilla Firefox, Thunderbird, and SeaMonkey Remote DoS or Arbitrary Code Execution Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/20/2021 19:38
Changes: 03/23/2015 16:50 (60), 04/07/2017 18:27 (8), 11/20/2021 19:32 (3), 11/20/2021 19:38 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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