CVE-2019-13917

EUVD-2019-5187
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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
Affected Products (NVD)
VendorProductVersion
eximexim
4.85 ≤
𝑥
≤ 4.92
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
exim4
bookworm
4.96-15+deb12u5
fixed
bookworm (security)
4.96-15+deb12u5
fixed
bullseye
4.94.2-7+deb11u3
fixed
bullseye (security)
4.94.2-7+deb11u4
fixed
jessie
not-affected
sid
4.98-2
fixed
trixie
4.98-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
exim4
bionic
Fixed 4.90.1-1ubuntu1.3
released
disco
Fixed 4.92-4ubuntu1.2
released
trusty
not-affected
xenial
Fixed 4.86.2-2ubuntu2.4
released
Common Weakness Enumeration
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
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