Signature Detail
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Short Name |
APP:HTTPD-MODLOG-COOKIE |
|---|---|
Severity |
Major |
Recommended |
No |
Recommended Action |
Drop |
Category |
APP |
Keywords |
Apache HTTPD mod_log_config Cookie Handling Denial of Service |
Release Date |
2014/11/05 |
Update Number |
2438 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
APP: Apache HTTPD mod_log_config Cookie Handling Denial of Service
This signature detects attempts to exploit a known vulnerability against Apache httpd. A successful attack can result in a denial-of-service condition.
Extended Description
The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote attackers to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value.
Affected Products
- Apache http_server 2.2.17
- Apache http_server 2.2.18
- Apache http_server 2.2.19
- Apache http_server 2.2.20
- Apache http_server 2.2.21
References
- BugTraq: 51705
- CVE: CVE-2012-0021