CVE-2018-7753
An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that ...
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Beschreibung
An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| pip::GitHub Security Advisory pip | bleach | 2.1.3 |
| debian 11 | python-bleach | 2.1.3-1 |
| debian 12 | python-bleach | 2.1.3-1 |
| debian 13 | python-bleach | 2.1.3-1 |
| debian 14 | python-bleach | 2.1.3-1 |
| echo | python-bleach | 2.1.3-1 |
| ubuntu 18.04-ESM | python-bleach | 2.1.2-1ubuntu0.1~esm1 |
Referenzen
- https://bugs.debian.org/892252
- https://github.com/mozilla/bleach
- https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef
- https://github.com/mozilla/bleach/pull/356
- https://github.com/mozilla/bleach/releases/tag/v2.1.3
- https://github.com/pypa/advisory-database/tree/main/vulns/bleach/PYSEC-2018-51.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2018-7753
- https://ubuntu.com/security/notices/USN-8077-1