Vulnerability Name:

CVE-2008-1552

Assigned:2008-03-25
Published:2008-03-25
Updated:2017-08-07
Summary: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 v3 Severity:7.3 High (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.3 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
5.9 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-189
References:Source: SUSE
Type: UNKNOWN
SUSE-SR:2008:008

Source: GENTOO
Type: UNKNOWN
GLSA-200804-27

Source: SREASON
Type: UNKNOWN
3795

Source: CONFIRM
Type: PATCH
http://silcnet.org/general/news/?item=client_20080320_1

Source: CONFIRM
Type: PATCH
http://silcnet.org/general/news/?item=server_20080320_1

Source: CONFIRM
Type: PATCH
http://silcnet.org/general/news/?item=toolkit_20080320_1

Source: MISC
Type: UNKNOWN
http://www.coresecurity.com/?action=item&id=2206

Source: MANDRIVA
Type: UNKNOWN
MDVSA-2008:158

Source: BUGTRAQ
Type: UNKNOWN
20080325 CORE-2007-1212: SILC pkcs_decode buffer overflow

Source: BID
Type: PATCH
28373

Source: SECTRACK
Type: UNKNOWN
1019690

Source: VUPEN
Type: UNKNOWN
ADV-2008-0974

Source: XF
Type: UNKNOWN
silc-silcpkcs1decode-bo(41474)

Source: FEDORA
Type: UNKNOWN
FEDORA-2008-2616

Source: FEDORA
Type: UNKNOWN
FEDORA-2008-2641

Vulnerable Configuration:Configuration 1:
  • cpe:/a:silc:silc_client:1.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:silc:silc_server:1.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:silc:silc_toolkit:1.1.6:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:redhat:fedora:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:fedora:8:*:*:*:*:*:*:*
  • AND
  • cpe:/a:silc:silc:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20081552
    V
    CVE-2008-1552
    2012-11-01
    BACK
    silc silc client 1.1.3
    silc silc server 1.1.2
    silc silc toolkit 1.1.6
    redhat fedora 7
    redhat fedora 8
    silc silc *