RHSA-2008:0136: Moderate: tk security update
First published: Thu Feb 21 2008(Updated: )
Tk is a graphical toolkit for the Tcl scripting language.<br>An input validation flaw was discovered in Tk's GIF image handling. A<br>code-size value read from a GIF image was not properly validated before<br>being used, leading to a buffer overflow. A specially crafted GIF file<br>could use this to cause a crash or, potentially, execute code with the<br>privileges of the application using the Tk graphical toolkit.<br>(CVE-2008-0553)<br>A buffer overflow flaw was discovered in Tk's animated GIF image handling.<br>An animated GIF containing an initial image smaller than subsequent images<br>could cause a crash or, potentially, execute code with the privileges of<br>the application using the Tk library. (CVE-2007-5137)<br>All users are advised to upgrade to these updated packages which contain a<br>backported patches to resolve these issues.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/tk | <8.4.13-5.el5_1.1 | 8.4.13-5.el5_1.1 |
| redhat/tk | <8.4.13-5.el5_1.1 | 8.4.13-5.el5_1.1 |
| redhat/tk-devel | <8.4.13-5.el5_1.1 | 8.4.13-5.el5_1.1 |
| redhat/tk-devel | <8.4.13-5.el5_1.1 | 8.4.13-5.el5_1.1 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2008:0136?
The severity of RHSA-2008:0136 is classified as moderate due to an input validation flaw leading to a potential buffer overflow.
How do I fix RHSA-2008:0136?
To fix RHSA-2008:0136, you should upgrade to the latest package versions, specifically tk and tk-devel versions 8.4.13-5.el5_1.1.
What versions of Tk are affected by RHSA-2008:0136?
RHSA-2008:0136 affects Tk versions prior to 8.4.13-5.el5_1.1.
What kind of vulnerability is described in RHSA-2008:0136?
RHSA-2008:0136 describes an input validation flaw in Tk's GIF image handling that leads to a buffer overflow.
Who is the vendor for RHSA-2008:0136?
The vendor for RHSA-2008:0136 is Red Hat.
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