CVE-2020-6816
Published: 24 March 2020
In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
python-bleach Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Needed
|
|
| groovy |
Not vulnerable
(3.2.1-1)
|
|
| hirsute |
Not vulnerable
(3.2.1-2)
|
|
| impish |
Not vulnerable
(3.2.1-2)
|
|
| jammy |
Not vulnerable
(3.2.1-2)
|
|
| kinetic |
Not vulnerable
(3.2.1-2)
|
|
| lunar |
Not vulnerable
(3.2.1-2)
|
|
| mantic |
Not vulnerable
(3.2.1-2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(3.1.3-1)
|
|
| xenial |
Needed
|
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1621692 (not public)
- https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743
- https://github.com/mozilla/bleach/commit/175f67740e7951e1d80cefb7831e6c3e4efeb986
- https://www.cve.org/CVERecord?id=CVE-2020-6816
- NVD
- Launchpad
- Debian