CVE-2019-16928

CRITICALCISA KEV

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/27/2019

Last Modified11/7/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorExim

ProductExim Internet Mailer

Vulnerability NameExim Out-of-bounds Write Vulnerability

KEV Date Added2022-03-03

Remediation Due Date2022-03-17

Ransomware UseUnknown

Affected Products

canonical:ubuntu_linuxdebian:debian_linuxexim:eximfedoraproject:fedora

Weaknesses (CWE)

CWE-787CWE-787

References

http://www.openwall.com/lists/oss-security/2019/09/28/1(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2019/09/28/2(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2019/09/28/3(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2019/09/28/4(cve@mitre.org)

https://bugs.exim.org/show_bug.cgi?id=2449(cve@mitre.org)

https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f(cve@mitre.org)

https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/(cve@mitre.org)

https://seclists.org/bugtraq/2019/Sep/60(cve@mitre.org)

https://security.gentoo.org/glsa/202003-47(cve@mitre.org)

https://usn.ubuntu.com/4141-1/(cve@mitre.org)

https://www.debian.org/security/2019/dsa-4536(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2019/09/28/1(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2019/09/28/2(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2019/09/28/3(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2019/09/28/4(af854a3a-2127-422b-91ae-364da2661108)

https://bugs.exim.org/show_bug.cgi?id=2449(af854a3a-2127-422b-91ae-364da2661108)

https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f(af854a3a-2127-422b-91ae-364da2661108)

https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/(af854a3a-2127-422b-91ae-364da2661108)

https://seclists.org/bugtraq/2019/Sep/60(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202003-47(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4141-1/(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2019/dsa-4536(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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