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CVE
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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 V2 Severity:
CVSS Score : 6.8
Exploit Score: 8.6
Impact Score: 6.4
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL
  
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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