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SecurityAlert : 3966 CVE : CVE-2008-2955 CWE : CWE-20 SecurityRisk : Low  (About) Remote Exploit : Yes Local Exploit : No Victim interaction required : Yes Exploit Available : Yes Credit : Juan Pablo Lopez Yacubian Published : 03.07.2008
Advisory Content : Application: Pidgin 2.4.1 OS: Linux - Ubuntu 8.04 ------------------------------------------------------ 1 - Description 2 - Vulnerability 3 - POC/EXPLOIT ------------------------------------------------------ Description Pidgin is an instant messaging program with which you can use a number of protocols known as (MSN, ICQ, AIM). While there is Pidgin 2.4.2 version which was not provided in this version so I could not say whether it was also vulnerable. ------------------------------------------------------ Vulnerability The vulnerability works sending files with the protocol msn (I did not test at all protocols), if a file is sent with a long name and special characters and this causes the program to break. If we analyze the vulnerability with a debugger you can see a flaw in the following function 0xb62abaeb in msn_slplink_process_msg According with the characters used, the fault may vary in other functions. ------------------------------------------------------ POC/EXPLOIT For proof of the concept you should create a file either (never mind the extension) with the maximum allowable characters, with the following characteristics. ASCII = (‣ ․ ‥ ? ) HEX = ( 26 23 38 32 32 37 3b 20 26 23 38 32 32 38 3b 20 26 23 38 32 32 39 3b 20 85 ) ------------------------------------------------------ Juan Pablo Lopez Yacubian References : http://www.securityfocus.com/archive/1/archive/1/493682/100/0/threaded
http://www.frsirt.com/english/advisories/2008/1947
http://secunia.com/advisories/30881  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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libc:fts_*() Multiple Denial of Service
The fts functions are provided for traversing UNIX file hierarchies... |
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