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CVE-2019-5427

Published: 22 April 2019

c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
c3p0
Launchpad, Ubuntu, Debian
bionic
Released (0.9.1.2-9+deb8u1ubuntu0.18.04.1)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal
Released (0.9.1.2-10ubuntu0.20.04.1)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish
Released (0.9.1.2-10ubuntu0.21.10.1)
jammy Needed

kinetic Ignored
(end of life, was needed)
lunar Ignored
(end of life, was needed)
mantic Needed

noble Needed

trusty Needed

upstream
Released (0.9.5.4)
xenial
Released (0.9.1.2-9+deb8u1ubuntu0.16.04.1~esm1)
Available with Ubuntu Pro
Patches:
upstream: https://github.com/swaldman/c3p0/commit/7dfdda63f42759a5ec9b63d725b7412f74adb3e1
upstream: https://github.com/swaldman/c3p0/commit/f38f27635c384806c2a9d6500d80183d9f09d78b

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H