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CVE-2008-1552Date: (C)2008-03-31   (M)2018-06-02


The silc_pkcs1_decode function in the silccrypt library (silcpkcs1.c) in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.7, SILC Client before 1.1.4, and SILC Server before 1.1.2 allows remote attackers to execute arbitrary code via a crafted PKCS#1 message, which triggers an integer underflow, signedness error, and a buffer overflow. NOTE: the researcher describes this as an integer overflow, but CVE uses the "underflow" term in cases of wraparound from unsigned subtraction.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 6.8
Exploit Score: Exploit Score: 8.6
Impact Score: Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: MEDIUM
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: PARTIAL
Scope: Integrity: PARTIAL
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
SECTRACK-1019690
http://www.securityfocus.com/archive/1/archive/1/490069/100/0/threaded
BID-28373
SECUNIA-29463
SECUNIA-29465
SECUNIA-29622
SECUNIA-29946
SREASON-3795
ADV-2008-0974
FEDORA-2008-2616
FEDORA-2008-2641
GLSA-200804-27
MDVSA-2008:158
SUSE-SR:2008:008
http://silcnet.org/general/news/?item=client_20080320_1
http://silcnet.org/general/news/?item=server_20080320_1
http://silcnet.org/general/news/?item=toolkit_20080320_1
http://www.coresecurity.com/?action=item&id=2206
silc-silcpkcs1decode-bo(41474)

CWE    1
CWE-189
OVAL    1
oval:org.secpod.oval:def:301642

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