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CVE-2016-6255

Published: 7 March 2017

Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to write to arbitrary files in the webroot via a POST request without a registered handler.

From the Ubuntu Security Team

Matthew Garrett discovered that libupnp mishandled POST requests by default. An attacker could use this vulnerability to write files to arbitrary locations in the victim's filesystem, possibly as root.

Priority

High

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libupnp
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(1:1.6.22-1)
cosmic Not vulnerable
(1:1.6.22-1)
disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

precise Ignored
(end of life)
trusty
Released (1:1.6.17-1.2+deb7u1build0.14.04.1)
upstream Needed

wily Ignored
(end of life)
xenial
Released (1:1.6.19+git20160116-1ubuntu0.1~esm1)
Available with Ubuntu Pro
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
hirsute Does not exist

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 High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N