CVE-2019-13917

critical

Description

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).

References

http://exim.org/static/doc/security/CVE-2019-13917.txt

http://www.openwall.com/lists/oss-security/2019/07/26/5

https://seclists.org/bugtraq/2019/Jul/51

https://security.gentoo.org/glsa/201909-06

https://www.debian.org/security/2019/dsa-4488

Details

Source: MITRE

Published: 2019-07-25

Updated: 2019-09-07

Type: CWE-19

Risk Information

CVSS v2

Base Score: 10

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

Impact Score: 10

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL