The highlighting functionality in geshi.php in GeSHi before 1.0.8 allows remote attackers to cause a denial of service (infinite loop) via an XML sequence containing an opening delimiter without a closing delimiter, as demonstrated using <.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Geshi | Geshi | * | 1.0.7.22 (including) |
| Geshi | Geshi | 1.0.0 (including) | 1.0.0 (including) |
| Geshi | Geshi | 1.0.1 (including) | 1.0.1 (including) |
| Geshi | Geshi | 1.0.2 (including) | 1.0.2 (including) |
| Geshi | Geshi | 1.0.2_beta_1 (including) | 1.0.2_beta_1 (including) |
| Geshi | Geshi | 1.0.3 (including) | 1.0.3 (including) |
| Geshi | Geshi | 1.0.4 (including) | 1.0.4 (including) |
| Geshi | Geshi | 1.0.5 (including) | 1.0.5 (including) |
| Geshi | Geshi | 1.0.6 (including) | 1.0.6 (including) |
| Geshi | Geshi | 1.0.7 (including) | 1.0.7 (including) |
| Geshi | Geshi | 1.0.7.1 (including) | 1.0.7.1 (including) |
| Geshi | Geshi | 1.0.7.2 (including) | 1.0.7.2 (including) |
| Geshi | Geshi | 1.0.7.3 (including) | 1.0.7.3 (including) |
| Geshi | Geshi | 1.0.7.4 (including) | 1.0.7.4 (including) |
| Geshi | Geshi | 1.0.7.5 (including) | 1.0.7.5 (including) |
| Geshi | Geshi | 1.0.7.6 (including) | 1.0.7.6 (including) |
| Geshi | Geshi | 1.0.7.7 (including) | 1.0.7.7 (including) |
| Geshi | Geshi | 1.0.7.8 (including) | 1.0.7.8 (including) |
| Geshi | Geshi | 1.0.7.9 (including) | 1.0.7.9 (including) |
| Geshi | Geshi | 1.0.7.10 (including) | 1.0.7.10 (including) |
| Geshi | Geshi | 1.0.7.11 (including) | 1.0.7.11 (including) |
| Geshi | Geshi | 1.0.7.12 (including) | 1.0.7.12 (including) |
| Geshi | Geshi | 1.0.7.13 (including) | 1.0.7.13 (including) |
| Geshi | Geshi | 1.0.7.14 (including) | 1.0.7.14 (including) |
| Geshi | Geshi | 1.0.7.15 (including) | 1.0.7.15 (including) |
| Geshi | Geshi | 1.0.7.16 (including) | 1.0.7.16 (including) |
| Geshi | Geshi | 1.0.7.17 (including) | 1.0.7.17 (including) |
| Geshi | Geshi | 1.0.7.18 (including) | 1.0.7.18 (including) |
| Geshi | Geshi | 1.0.7.19 (including) | 1.0.7.19 (including) |
| Geshi | Geshi | 1.0.7.20 (including) | 1.0.7.20 (including) |
| Geshi | Geshi | 1.0.7.21 (including) | 1.0.7.21 (including) |
| Geshi | Ubuntu | gutsy | * |
| Geshi | Ubuntu | hardy | * |
| Geshi | Ubuntu | intrepid | * |
| Geshi | Ubuntu | upstream | * |
References
- http://geshi.svn.sourceforge.net/viewvc/geshi/trunk/geshi-1.0.X/src/geshi.php?r1=1321\u0026r2=1322\u0026view=patch
- http://www.openwall.com/lists/oss-security/2008/11/20/4
- http://www.securityfocus.com/bid/32377
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46769
- http://geshi.svn.sourceforge.net/viewvc/geshi/trunk/geshi-1.0.X/src/geshi.php?r1=1321\u0026r2=1322\u0026view=patch
- http://www.openwall.com/lists/oss-security/2008/11/20/4
- http://www.securityfocus.com/bid/32377
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46769