Apache htpasswd buffer overflow
| apache-htpasswd-bo (17413) |  Medium Risk |
Description:
Apache HTTP Server is vulnerable to a stack-based buffer overflow in the htpasswd.c file, caused by improper bounds checking of the user and passwd variables. A local attacker, within the same permissions assigned to the attacker, could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system.
Platforms Affected:
- Apache, HTTP Server 1.3
- Apache, HTTP Server 1.3.0
- Apache, HTTP Server 1.3.1
- Apache, HTTP Server 1.3.10
- Apache, HTTP Server 1.3.11
- Apache, HTTP Server 1.3.12
- Apache, HTTP Server 1.3.13
- Apache, HTTP Server 1.3.14
- Apache, HTTP Server 1.3.15
- Apache, HTTP Server 1.3.16
- Apache, HTTP Server 1.3.17
- Apache, HTTP Server 1.3.18
- Apache, HTTP Server 1.3.19
- Apache, HTTP Server 1.3.2
- Apache, HTTP Server 1.3.20
- Apache, HTTP Server 1.3.22
- Apache, HTTP Server 1.3.23
- Apache, HTTP Server 1.3.24
- Apache, HTTP Server 1.3.25
- Apache, HTTP Server 1.3.26
- Apache, HTTP Server 1.3.27
- Apache, HTTP Server 1.3.28
- Apache, HTTP Server 1.3.29
- Apache, HTTP Server 1.3.3
- Apache, HTTP Server 1.3.30
- Apache, HTTP Server 1.3.31
- Apache, HTTP Server 1.3.32
- Apache, HTTP Server 1.3.33
- Canonical, Ubuntu 4.10
Remedy:
For Ubuntu Linux:
Refer to USN-133-1 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Other
References:
- Apache HTTP Server Project Web site, Apache HTTPD Project - The Apache HTTPD Server Project at http://httpd.apache.org.
- BugTraq Mailing List, Fri Oct 29 2004 - 16:53:16 CDT, Re: local buffer overflow in htpasswd for apache 1.3.31 not fixed in .33? at http://archives.neohapsis.com/archives/bugtraq/2004-10/0345.html.
- Full-Disclosure Mailing List, Thu Sep 16 2004 - 11:23:03 CDT, FlowSecurity.org: Local Stack Overflow on htpasswd apache 1.3.31 advsory. at http://archives.neohapsis.com/archives/fulldisclosure/2004-09/0547.html.
- BID-13777: Apache HTPasswd User Command Line Argument Buffer Overflow Vulnerability
- BID-13778: Apache HTPasswd Password Command Line Argument Buffer Overflow Vulnerability
- USN-133-1: Apache utility vulnerability
Reported:
Sep 16, 2004
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