oss-sec mailing list archives

Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary

From: Timo Warns <Timo.Warns () gmail com>
Date: Wed, 18 Mar 2015 20:13:07 +0100

On 2015-03-18, Emmanuel Law wrote:

found an integer overflow in PHP. When processing a malform zip file with
many entires, it leads to a heap overflow.

Affected Version <= PHP 5.6.6
Bug Report: https://bugs.php.net/bug.php?id=69253
Patch:
https://github.com/php/php-src/commit/ef8fc4b53d92fbfcd8ef1abbd6f2f5fe2c4a11e5


This looks like it may also affect libzip upstream
(http://hg.nih.at/libzip/file/fa78ab51417f/lib/zip_dirent.c)

Was upstream (in copy) informed about the issue?

Cheers, Timo

Current thread:

CVE Request: ZIP Integer Overflow leads to writing past heap boundary Emmanuel Law (Mar 18)
- Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary cve-assign (Mar 18)
  - Re: Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary Timo Warns (Mar 18)
    - Re: Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary Emmanuel Law (Mar 18)
- Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary Timo Warns (Mar 18)
  - Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary Emmanuel Law (Mar 18)
    - Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary Thomas Klausner (Mar 23)