Mozilla Firefox up to 2.0.0.18 base64.c numeric error

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 2.0.0.18. This affects an unknown function in the library nsprpub/lib/libc/src/base64.c. Such manipulation leads to numeric error. This vulnerability is uniquely identified as CVE-2009-2463. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 2.0.0.18 (Web Browser). It has been rated as critical. Affected by this issue is an unknown function in the library nsprpub/lib/libc/src/base64.c. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple integer overflows in the (1) PL_Base64Decode and (2) PL_Base64Encode functions in nsprpub/lib/libc/src/base64.c in Mozilla Firefox before 3.0.12, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors that trigger buffer overflows.

The weakness was disclosed 07/22/2009 by Peter Van der Beken (moz_bug_r_a4) with Martijn Wargers (Website). The advisory is shared for download at vupen.com. This vulnerability is handled as CVE-2009-2463 since 07/15/2009. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 43769 (CentOS 5 : firefox (CESA-2009:1162)), 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 116528 (Mozilla Firefox/Thunderbird Multiple Remote Vulnerabilities (MFSA 2009-34, MFSA 2009-35, MFSA 2009-36, MFSA 2009-37, MFSA 2009-39, MFSA 2009-40)).

Upgrading to version 2.0.0.19 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8756.

The vulnerability is also documented in the databases at X-Force (51896), Tenable (43769), SecurityFocus (BID 35758†), Secunia (SA35914†) and Vulnerability Center (SBV-22947†). The entries VDB-48108, VDB-49258, VDB-49120 and VDB-49119 are pretty similar. 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: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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: 43769
Nessus Name: CentOS 5 : firefox (CESA-2009:1162)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 64479
OpenVAS Name: Debian Security Advisory DSA 1840-1 (xulrunner)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 2.0.0.19
TippingPoint: 🔍

Timelineinfo

07/15/2009 🔍
07/21/2009 +6 days 🔍
07/21/2009 +0 days 🔍
07/22/2009 +1 days 🔍
07/22/2009 +0 days 🔍
07/22/2009 +0 days 🔍
07/22/2009 +0 days 🔍
03/18/2015 +2065 days 🔍
08/12/2021 +2339 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: vupen.com⛔
Researcher: Peter Van der Beken (moz_bug_r_a4)
Organization: Martijn Wargers
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-2463 (🔍)
GCVE (CVE): GCVE-0-2009-2463
GCVE (VulDB): GCVE-100-49112

OVAL: 🔍

X-Force: 51896
SecurityFocus: 35758 - RETIRED: Mozilla Firefox MFSA 2009-34, -35, -36, -37, -39, -40 Multiple Vulnerabilities
Secunia: 35914 - Mozilla Firefox Multiple Vulnerabilities, Highly Critical
Vulnerability Center: 22947 - Mozilla Firefox 3.0-3.0.11 and Thunderbird 1.5-2.0.19 Base64 Decoding Crash Vulnerability, Medium
Vupen: ADV-2009-1972

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/12/2021 19:15
Changes: 03/18/2015 15:15 (66), 02/12/2017 12:49 (16), 08/12/2021 19:15 (2)
Complete: 🔍
Cache ID: 216::103

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