CVE-2019-13917

Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://exim.org/static/doc/security/CVE-2019-13917.txt	Patch Vendor Advisory
https://www.debian.org/security/2019/dsa-4488	Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/07/26/5	Third Party Advisory
https://seclists.org/bugtraq/2019/Jul/51	Third Party Advisory
https://security.gentoo.org/glsa/201909-06

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Information

Published : 2019-07-25 13:15

Updated : 2019-09-06 19:15

NVD link : CVE-2019-13917

Mitre link : CVE-2019-13917

JSON object : View

CWE

CWE-19

Data Processing Errors

Products Affected

debian

debian_linux

exim

exim

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9.8 /10