bogofilter up to 1.2.1 Base64 Decoder base64.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in bogofilter up to 1.2.1. This impacts an unknown function of the file base64.c of the component Base64 Decoder. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2010-2494. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in bogofilter up to 1.2.1. Affected is an unknown functionality of the file base64.c of the component Base64 Decoder. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

Multiple buffer underflows in the base64 decoder in base64.c in (1) bogofilter and (2) bogolexer in bogofilter before 1.2.2 allow remote attackers to cause a denial of service (heap memory corruption and application crash) via an e-mail message with invalid base64 data that begins with an = (equals) character.

The weakness was shared 07/03/2010 (oss-sec). The advisory is shared for download at marc.info. This vulnerability is traded as CVE-2010-2494. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 74844 (openSUSE Security Update : bogofilter (openSUSE-SU-2012:1650-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118767 (Fedora Update for bogofilter (FEDORA-2010-13139)).

Upgrading to version 1.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (74844), SecurityFocus (BID 41339†), OSVDB (66002†) and Vulnerability Center (SBV-26360†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 74844
Nessus Name: openSUSE Security Update : bogofilter (openSUSE-SU-2012:1650-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 67713
OpenVAS Name: FreeBSD Ports: bogofilter
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bogofilter 1.0.0

Timelineinfo

06/28/2010 🔍
07/03/2010 +5 days 🔍
07/05/2010 +2 days 🔍
07/05/2010 +0 days 🔍
07/05/2010 +0 days 🔍
07/08/2010 +2 days 🔍
07/12/2010 +4 days 🔍
06/13/2014 +1432 days 🔍
03/19/2015 +279 days 🔍
01/23/2025 +3598 days 🔍

Sourcesinfo

Advisory: marc.info
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2494 (🔍)
GCVE (CVE): GCVE-0-2010-2494
GCVE (VulDB): GCVE-100-53964

OVAL: 🔍

SecurityFocus: 41339 - bogofilter Base64 Encoding '=' Character Heap Memory Corruption Vulnerability
Secunia: 40427
OSVDB: 66002 - Bogofilter Base64 String Decoding Off-by-one Memory Corruption
Vulnerability Center: 26360 - Bogofilter Remote Arbitrary Code Execution or DoS Vulnerability via a Crafted E-mail Message, High

Entryinfo

Created: 03/19/2015 14:37
Updated: 01/23/2025 16:31
Changes: 03/19/2015 14:37 (62), 02/28/2017 11:44 (9), 09/20/2021 12:18 (5), 09/20/2021 12:26 (1), 01/23/2025 16:31 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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