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CVE-2009-1699

Published: 10 June 2009

The XSL stylesheet implementation in WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 does not properly handle XML external entities, which allows remote attackers to read arbitrary files via a crafted DTD, as demonstrated by a file:///etc/passwd URL in an entity declaration, related to an "XXE attack."

Notes

AuthorNote
jdstrand
webkit is a fork of khtml from kdelibs. kdelibs5 is farther from
it, while qt4-x11 attempts to unify khtml and webkit
mdeslaur
PoC: http://scary.beasts.org/security/CESA-2009-006.html
PoC: http://www.milw0rm.com/exploits/8907
code doesn't seem present in kde4libs

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
qt4-x11
Launchpad, Ubuntu, Debian
dapper Not vulnerable
(no webkit)
hardy Not vulnerable
(no webkit)
intrepid
Released (4.4.3-0ubuntu1.4)
jaunty Not vulnerable
(4.5.0-0ubuntu4.2)
karmic Not vulnerable
(4.5.2-0ubuntu5)
lucid Not vulnerable
(4.5.2-0ubuntu5)
maverick Not vulnerable
(4.5.2-0ubuntu5)
natty Not vulnerable
(4.5.2-0ubuntu5)
upstream Needs triage

webkit
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Ignored
(end of life)
intrepid Not vulnerable
(1.0.1-2ubuntu0.1)
jaunty Not vulnerable
(1.0.1-4)
karmic Not vulnerable
(1.1.12-1ubuntu1)
lucid Not vulnerable
(1.1.12-1ubuntu1)
maverick Not vulnerable
(1.1.12-1ubuntu1)
natty Not vulnerable
(1.1.12-1ubuntu1)
upstream Needs triage

Patches:
upstream: http://trac.webkit.org/changeset/34534

Severity score breakdown

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