CVE-2017-16944
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM
5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial
Description
AI Translation Available
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,7603
Percentile
1,0th
Updated
EPSS Score Trend (Last 90 Days)
835
Loop with Unreachable Exit Condition ('Infinite Loop')
IncompleteCommon Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Dos: Amplification
Applicable Platforms
All platforms may be affected
Exploit
Exim 4.89 - 'BDAT' Denial of Service
Verified Denial of Service (DoS)Exim 4.89 - 'BDAT' Denial of Service
View Exploit Code →
Application
Exim by Exim
CPE Identifier
View Detailed Analysis
cpe:2.3:a:exim:exim:4.89:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Exim by Exim
CPE Identifier
View Detailed Analysis
cpe:2.3:a:exim:exim:4.88:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://openwall.com/lists/oss-security/2017/11/25/1
http://openwall.com/lists/oss-security/2017/11/25/2
http://openwall.com/lists/oss-security/2017/11/25/3
https://bugs.exim.org/show_bug.cgi?id=2201
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
https://www.debian.org/security/2017/dsa-4053
https://www.exploit-db.com/exploits/43184/
http://www.openwall.com/lists/oss-security/2021/05/04/7
http://www.securitytracker.com/id/1039873
http://openwall.com/lists/oss-security/2017/11/25/1
http://openwall.com/lists/oss-security/2017/11/25/2
http://openwall.com/lists/oss-security/2017/11/25/3
https://bugs.exim.org/show_bug.cgi?id=2201
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
https://www.debian.org/security/2017/dsa-4053
https://www.exploit-db.com/exploits/43184/
http://www.openwall.com/lists/oss-security/2021/05/04/7
http://www.securitytracker.com/id/1039873