CVE-2016-9909
Published: 22 February 2017
The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the < (less than) character in attribute values.
Notes
Author | Note |
---|---|
sbeattie | same commit as CVE-2016-9910 fix changes externally visible api from True|False boolean to a ternary value, which will break users. |
Priority
Status
Package | Release | Status |
---|---|---|
html5lib Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(0.999999999-1)
|
bionic |
Not vulnerable
(0.999999999-1)
|
|
cosmic |
Not vulnerable
(0.999999999-1)
|
|
disco |
Not vulnerable
(0.999999999-1)
|
|
eoan |
Not vulnerable
(0.999999999-1)
|
|
focal |
Not vulnerable
(0.999999999-1)
|
|
groovy |
Not vulnerable
(0.999999999-1)
|
|
hirsute |
Not vulnerable
(0.999999999-1)
|
|
impish |
Not vulnerable
(0.999999999-1)
|
|
jammy |
Not vulnerable
(0.999999999-1)
|
|
kinetic |
Not vulnerable
(0.999999999-1)
|
|
lunar |
Not vulnerable
(0.999999999-1)
|
|
mantic |
Not vulnerable
(0.999999999-1)
|
|
noble |
Not vulnerable
(0.999999999-1)
|
|
precise |
Ignored
(end of life)
|
|
trusty |
Does not exist
(trusty was needed)
|
|
upstream |
Released
(0.999999999-1)
|
|
xenial |
Needed
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Not vulnerable
(0.999999999-1)
|
|
Patches: other: https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.1 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Changed |
Confidentiality | Low |
Integrity impact | Low |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References
- https://www.sourceclear.com/registry/security/cross-site-scripting-xss-/python/sid-3068
- http://www.openwall.com/lists/oss-security/2016/12/06/5
- https://github.com/html5lib/html5lib-python/issues/11
- https://github.com/html5lib/html5lib-python/issues/12
- https://www.cve.org/CVERecord?id=CVE-2016-9909
- NVD
- Launchpad
- Debian