PT-2014-2195 · Microsoft · Internet Information Services

Yuange · Published 2014-04-23 · Updated 2020-11-23 · CVE-2011-5279

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Internet Information Services (IIS) versions 4.x through 5.x

Description The issue allows remote attackers to modify arbitrary uppercase environment variables via a newline character in an HTTP header. This is due to a CRLF injection vulnerability in the CGI implementation.

Recommendations For Microsoft Internet Information Services (IIS) versions 4.x through 5.x, consider restricting access to CGI implementations until a patch is available. As a temporary workaround, avoid using newline characters in HTTP headers to minimize the risk of exploitation.

Exploit

Fix

Related Identifiers

CVE-2011-5279

Affected Products

Internet Information Services

References · 9

• 🔥 http://seclists.org/fulldisclosure/2014/Apr/247 · Exploit
• 🔥 http://seclists.org/fulldisclosure/2014/Apr/128 · Exploit
• 🔥 http://seclists.org/fulldisclosure/2014/Apr/108 · Exploit
• 🔥 http://seclists.org/fulldisclosure/2012/Apr/13 · Exploit
• 🔥 http://seclists.org/fulldisclosure/2012/Apr/0 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-5279 · Security Note
• http://hi.baidu.com/yuange1975/item/b2cc7141c22108e91e19bc2e · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-5279 · Note
• https://t.me/cvenotify/6032 · Telegram Post