SpamAssassin 2.40/2.41/2.42/2.43 BSMTP Mode memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in SpamAssassin 2.40/2.41/2.42/2.43. Affected by this vulnerability is an unknown functionality of the component BSMTP Mode. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2003-1557. There is not any exploit available.

Detailsinfo

A vulnerability was found in SpamAssassin 2.40/2.41/2.42/2.43 (Anti-Spam Software) and classified as very critical. This issue affects some unknown processing of the component BSMTP Mode. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute arbitrary code via email containing headers with leading "." characters.

The weakness was released 12/31/2003 by Timo Sirainen (Website). The advisory is shared at marc.info. The identification of this vulnerability is CVE-2003-1557 since 04/03/2008. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/17/2018).

The vulnerability is also documented in the databases at X-Force (11154), SecurityFocus (BID 6679†) and Secunia (SA7983†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/24/2003 🔍
02/03/2003 +10 days 🔍
12/31/2003 +331 days 🔍
12/31/2003 +0 days 🔍
04/03/2008 +1555 days 🔍
09/30/2014 +2371 days 🔍
06/17/2018 +1356 days 🔍

Sourcesinfo

Advisory: marc.info
Researcher: Timo Sirainen
Status: Confirmed

CVE: CVE-2003-1557 (🔍)
GCVE (CVE): GCVE-0-2003-1557
GCVE (VulDB): GCVE-100-21461
X-Force: 11154 - SpamAssassin spamc BSMTP -B off-by-one buffer overflow
SecurityFocus: 6679 - SpamAssassin BSMTP Mode Buffer Overflow Vulnerability
Secunia: 7983 - Gentoo updates to Mail-SpamAssasin, Less Critical

Entryinfo

Created: 09/30/2014 15:26
Updated: 06/17/2018 09:47
Changes: 09/30/2014 15:26 (51), 06/17/2018 09:47 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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