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CVE-2012-1172

Publication date 23 May 2012

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

The file-upload implementation in rfc1867.c in PHP before 5.4.0 does not properly handle invalid [ (open square bracket) characters in name values, which makes it easier for remote attackers to cause a denial of service (malformed $_FILES indexes) or conduct directory traversal attacks during multi-file uploads by leveraging a script that lacks its own filename restrictions.

Read the notes from the security team

Status

Package Ubuntu Release Status
php5 12.04 LTS precise
Fixed 5.3.10-1ubuntu3.2
11.10 oneiric
Fixed 5.3.6-13ubuntu3.8
11.04 natty
Fixed 5.3.5-1ubuntu7.10
10.10 maverick Ignored end of life
10.04 LTS lucid
Fixed 5.3.2-1ubuntu4.17
8.04 LTS hardy
Fixed 5.2.4-2ubuntu5.25

Notes

jdstrand

some argue bug is in script, not the language, but PHP does try to sanitize $_FILES. Script writers may be relying on that.