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CVE-2018-6789 Detail

Description

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://openwall.com/lists/oss-security/2018/02/10/2 Mailing List  Third Party Advisory 
http://openwall.com/lists/oss-security/2018/02/10/2 Mailing List  Third Party Advisory 
http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html Exploit  Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html Exploit  Third Party Advisory  VDB Entry 
http://www.openwall.com/lists/oss-security/2018/02/07/2 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2018/02/07/2 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/103049 Broken Link  Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/103049 Broken Link  Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1040461 Broken Link  Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1040461 Broken Link  Third Party Advisory  VDB Entry 
https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/ Exploit  Third Party Advisory 
https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/ Exploit  Third Party Advisory 
https://exim.org/static/doc/security/CVE-2018-6789.txt Vendor Advisory 
https://exim.org/static/doc/security/CVE-2018-6789.txt Vendor Advisory 
https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1 Patch 
https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1 Patch 
https://lists.debian.org/debian-lts-announce/2018/02/msg00009.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2018/02/msg00009.html Mailing List  Third Party Advisory 
https://usn.ubuntu.com/3565-1/ Third Party Advisory 
https://usn.ubuntu.com/3565-1/ Third Party Advisory 
https://www.debian.org/security/2018/dsa-4110 Mailing List  Third Party Advisory 
https://www.debian.org/security/2018/dsa-4110 Mailing List  Third Party Advisory 
https://www.exploit-db.com/exploits/44571/ Exploit  Third Party Advisory  VDB Entry 
https://www.exploit-db.com/exploits/44571/ Exploit  Third Party Advisory  VDB Entry 
https://www.exploit-db.com/exploits/45671/ Exploit  Third Party Advisory  VDB Entry 
https://www.exploit-db.com/exploits/45671/ Exploit  Third Party Advisory  VDB Entry 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Exim Buffer Overflow Vulnerability 11/03/2021 05/03/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-6789
NVD Published Date:
02/08/2018
NVD Last Modified:
11/20/2024
Source:
MITRE