CVE-2017-16943

Published: Nov 25, 2017 Last Modified: Apr 20, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
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 execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.

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
0,7450
Percentile
1,0th
Updated

EPSS Score Trend (Last 91 Days)

416

Use After Free

Stable
Common Consequences
Security Scopes Affected:
Integrity Availability Confidentiality
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: C, C++, Memory-Unsafe
View CWE Details
Application

Exim by Exim

cpe:2.3:a:exim:exim:4.88:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exim by Exim

cpe:2.3:a:exim:exim:4.89:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

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=2199
https://git.exim.org/exim.git/commit/4090d62a4b25782129cc1643596dc2f6e8f63bde
https://git.exim.org/exim.git/commitdiff/4e6ae6235c68de243b1c2419027472d7659aa2…
https://github.com/LetUsFsck/PoC-Exploit-Mirror/tree/master/CVE-2017-16944
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
https://www.debian.org/security/2017/dsa-4053
http://www.openwall.com/lists/oss-security/2021/05/04/7
http://www.securitytracker.com/id/1039872
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039872
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=2199
https://git.exim.org/exim.git/commit/4090d62a4b25782129cc1643596dc2f6e8f63bde
https://git.exim.org/exim.git/commitdiff/4e6ae6235c68de243b1c2419027472d7659aa2…
https://github.com/LetUsFsck/PoC-Exploit-Mirror/tree/master/CVE-2017-16944
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
https://www.debian.org/security/2017/dsa-4053
http://www.openwall.com/lists/oss-security/2021/05/04/7
http://www.securitytracker.com/id/1039872
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039872