CVE-2017-1000071
Published: 17 July 2017
Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.
Notes
| Author | Note |
|---|---|
| sbeattie | The vulnerability only exists when communicating with a server affected by another very old vulnerability fixed in 2010. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
php-cas Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Needed
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(1.3.6-1)
|
|
| eoan |
Not vulnerable
(1.3.6-1)
|
|
| focal |
Not vulnerable
(1.3.6-1)
|
|
| groovy |
Not vulnerable
(1.3.6-1)
|
|
| hirsute |
Not vulnerable
(1.3.6-1)
|
|
| impish |
Not vulnerable
(1.3.6-1)
|
|
| jammy |
Not vulnerable
(1.3.6-1)
|
|
| kinetic |
Not vulnerable
(1.3.6-1)
|
|
| lunar |
Not vulnerable
(1.3.6-1)
|
|
| mantic |
Not vulnerable
(1.3.6-1)
|
|
| noble |
Not vulnerable
(1.3.6-1)
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Released
(1.3.6-1, 1.3.5)
|
|
| xenial |
Needed
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Ignored
(end of life)
|
|
|
Patches: upstream: https://github.com/apereo/phpCAS/commit/c9ba00327fd0ac8faecc62ce150c1986022856cd |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |