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CVE-2016-2049

Published: 1 February 2016

examples/consumer/common.php in JanRain PHP OpenID library (aka php-openid) improperly checks the openid.realm parameter against the SERVER_NAME element in the SERVER superglobal array, which might allow remote attackers to hijack the authentication of arbitrary users via vectors involving a crafted HTTP Host header.

Notes

AuthorNote
ebarretto
sample code only, actual vulnerable code not shipped in package

Priority

Low

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
php-openid
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

mantic Does not exist

precise Ignored
(end of life)
trusty Does not exist
(trusty was needed)
upstream Needed

vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial Needed

yakkety Ignored
(end of life)
zesty Does not exist

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H