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CVE-2011-4603Date: (C)2011-12-16   (M)2018-02-19


The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594.

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score  : CVSS Score  : 5.0
Exploit Score: Exploit Score: 10.0
Impact Score : Impact Score : 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  





Reference:
SECUNIA-47234
BID-51074
RHSA-2011:1820
http://developer.pidgin.im/viewmtn/revision/diff/c7b95cc3be0590b52edc02d4750ae62844c1acb6/with/afb9ede3de989f217f03d5670cca00e628bd11f1/libpurple/protocols/silc/ops.c
http://developer.pidgin.im/viewmtn/revision/info/afb9ede3de989f217f03d5670cca00e628bd11f1
http://www.pidgin.im/news/security/?id=59
openSUSE-SU-2012:0066

CPE    44
cpe:/a:pidgin:pidgin:2.7.9
cpe:/a:pidgin:pidgin:2.1.0
cpe:/a:pidgin:pidgin:2.1.1
cpe:/a:pidgin:pidgin:2.3.0
...
CWE    1
CWE-20
OVAL    17
oval:org.secpod.oval:def:3518
oval:org.secpod.oval:def:201571
oval:org.secpod.oval:def:201610
oval:org.secpod.oval:def:103570
...

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