Vulnerability CVE-2017-5668
Published: 2017-03-14

Description:
bitlbee-libpurple before 3.5.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a file transfer request for a contact that is not in the contact list. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-10189.

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
Bitlbee -> Bitlbee-libpurple 
Bitlbee -> Bitlbee 

 References:
http://www.openwall.com/lists/oss-security/2017/01/30/4
http://www.openwall.com/lists/oss-security/2017/01/31/11
http://www.securityfocus.com/bid/95932
https://bugs.bitlbee.org/ticket/1282
https://github.com/bitlbee/bitlbee/commit/30d598ce7cd3f136ee9d7097f39fa9818a272441
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