Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a file size value larger than the size of the zip file to the (1) ZipExtFile.read, (2) ZipExtFile.read(n), (3) ZipExtFile.readlines, (4) ZipFile.extract, or (5) ZipFile.extractall function.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-7338 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of python as shipped with Red Hat Enterprise Linux 5, 6 and 7.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | python33-python | Will not fix |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux | python27-python | Not affected |
| Red Hat Enterprise Linux 7 | python | Not affected |
| Red Hat Enterprise Linux 6 | python | Not affected |
| Red Hat Enterprise Linux 5 | python | Not affected |
Vulmon