Off-by-one issue in mod_ssl

vendor:

mod_ssl

by:

SecurityFocus

7.5

CVSS

HIGH

Buffer Overflow

120

CWE

Product Name: mod_ssl

Affected Version From: N/A

Affected Version To: N/A

Patch Exists: NO

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: N/A

2002

Off-by-one issue in mod_ssl

An off-by-one issue exists in mod_ssl that affects Apache when handling certain types of long entries in an .htaccess file. Though this capability within the web server is not enabled by default, it is popular as it allows non-privileged users to create web access control schemes for hosted sites, and is enabled through the "AllowOverride" configuration variable in Apache. A .htaccess file with 10000 or more bytes set into the variable DATE_LOCALE will result in a buffer overflow within the web server process handling the request.

Mitigation:

Disable the AllowOverride configuration variable in Apache.

Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/5084/info

An off-by-one issue exists in mod_ssl that affects Apache when handling certain types of long entries in an .htaccess file. Though this capability within the web server is not enabled by default, it is popular as it allows non-privileged users to create web access control schemes for hosted sites, and is enabled through the "AllowOverride" configuration variable in Apache. A .htaccess file with 10000 or more bytes set into the variable DATE_LOCALE will result in a buffer overflow within the web server process handling the request.

In a regular .htaccess file:

SetEnv DATE_LOCALE "X"

where the character X represents a string of 12288 bytes.