CVE-2017-7804
Published: 11 June 2018
The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability to write arbitrary data to an attacker controlled location in memory. This can be used to bypass existing memory protections in this situation. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Notes
| Author | Note |
|---|---|
| chrisccoulson | Windows only |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
trusty |
Does not exist
(trusty was not-affected)
|
| upstream |
Released
(55.0)
|
|
| xenial |
Not vulnerable
|
|
| zesty |
Not vulnerable
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
trusty |
Does not exist
(trusty was not-affected)
|
| upstream |
Released
(52.3.0)
|
|
| xenial |
Not vulnerable
|
|
| zesty |
Not vulnerable
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |