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CVE-2019-16928 Detail

Current Description

Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2019/09/28/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/09/28/2 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/09/28/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/09/28/4 Mailing List  Third Party Advisory 
https://bugs.exim.org/show_bug.cgi?id=2449 Issue Tracking  Patch  Vendor Advisory 
https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f Patch  Third Party Advisory 
https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html Vendor Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/ Mailing List  Third Party Advisory 
https://seclists.org/bugtraq/2019/Sep/60 Mailing List  Third Party Advisory 
https://security.gentoo.org/glsa/202003-47 Third Party Advisory 
https://usn.ubuntu.com/4141-1/ Third Party Advisory 
https://www.debian.org/security/2019/dsa-4536 Third Party Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's ED 21-03 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Date Added Due Date Required Action
03/03/2022 03/17/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write cwe source acceptance level NIST  

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Change History

14 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-16928
NVD Published Date:
09/27/2019
NVD Last Modified:
03/31/2022
Source:
MITRE