CVE-2016-4449
Published: 30 May 2016
XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.
Priority
Status
Package | Release | Status |
---|---|---|
libxml2 Launchpad, Ubuntu, Debian |
precise |
Released
(2.7.8.dfsg-5.1ubuntu4.15)
|
trusty |
Released
(2.9.1+dfsg1-3ubuntu4.8)
|
|
upstream |
Released
(2.9.4)
|
|
wily |
Released
(2.9.2+zdfsg1-4ubuntu0.4)
|
|
xenial |
Released
(2.9.3+dfsg1-1ubuntu0.1)
|
|
yakkety |
Not vulnerable
(2.9.3+dfsg1-1.2)
|
|
zesty |
Not vulnerable
(2.9.3+dfsg1-1.2)
|
|
Patches: upstream: https://git.gnome.org/browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.1 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |