Vulnerability CVE-2011-2900
Published: 2011-08-05   Modified: 2012-02-13

Description:
Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web Server (yasslEWS) 0.2, and (3) _shttpd_put_dir function in io_dir.c in Simple HTTPD (shttpd) 1.42 allows remote attackers to execute arbitrary code via an HTTP PUT request, as exploited in the wild in 2011.

See advisories in our WLB2 database:
Topic
Author
Date
High
Simple HTTPd 1.42 PUT Request Remote Buffer Overflow Vulnerability
nion
16.08.2011

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Yassl -> Yasslews 
Valenok -> Mongoose 
Shttpd -> Shttpd 

 References:
https://code.google.com/p/mongoose/source/detail?r=556f4de91eae4bac40dc5d4ddbd9ec7c424711d0
http://www.openwall.com/lists/oss-security/2011/08/03/9
http://www.openwall.com/lists/oss-security/2011/08/03/5
http://xforce.iss.net/xforce/xfdb/68991
http://www.securityfocus.com/bid/48980
http://securityreason.com/securityalert/8337
http://secunia.com/advisories/45902
http://secunia.com/advisories/45464
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065537.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065505.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065273.html
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