| Name | CVE-2011-1521 |
| Description | The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-25-1 |
| Debian Bugs | 628453, 628455 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| python2.7 (PTS) | jessie, jessie (lts) | 2.7.9-2-ds1-1+deb8u12 | fixed |
| stretch (security) | 2.7.13-2+deb9u6 | fixed | |
| stretch (lts), stretch | 2.7.13-2+deb9u9 | fixed | |
| buster (security), buster, buster (lts) | 2.7.16-2+deb10u4 | fixed | |
| bullseye | 2.7.18-8+deb11u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| python2.5 | source | (unstable) | (unfixed) | |||
| python2.6 | source | squeeze | 2.6.6-8+deb6u1 | DLA-25-1 | ||
| python2.6 | source | (unstable) | 2.6.7-1 | 628455 | ||
| python2.7 | source | (unstable) | 2.7.1-7 | |||
| python3.1 | source | (unstable) | (unfixed) | 628453 | ||
| python3.2 | source | (unstable) | 3.2-3 |
[squeeze] - python3.1 <no-dsa> (Minor issue)
[squeeze] - python2.5 <no-dsa> (Minor issue)
http://bugs.python.org/issue11662