CVE-2019-16928

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

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CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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://bugs.exim.org/show_bug.cgi?id=2449	Issue Tracking Patch Vendor Advisory
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
https://www.debian.org/security/2019/dsa-4536	Third Party Advisory
https://usn.ubuntu.com/4141-1/	Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/09/28/4	Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Sep/60	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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202003-47	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:29:::::::*
	cpe:2.3:o:fedoraproject:fedora:30:::::::*
	cpe:2.3:o:fedoraproject:fedora:31:::::::*

Information

Published : 2019-09-27 14:15

Updated : 2022-03-31 10:50

NVD link : CVE-2019-16928

Mitre link : CVE-2019-16928

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Products Affected

debian

debian_linux

canonical

ubuntu_linux

exim

exim

fedoraproject

fedora

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