Vulnerability Name:

CVE-2007-0248 (CCN-31525)

Assigned:2007-01-13
Published:2007-01-13
Updated:2017-07-29
Summary:The aclMatchExternal function in Squid before 2.6.STABLE7 allows remote attackers to cause a denial of service (crash) by causing an external_acl queue overload, which triggers an infinite loop.
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2007-0248

Source: CCN
Type: SA23767
Squid Denial of Service Vulnerabilities

Source: SECUNIA
Type: Patch, Vendor Advisory
23767

Source: SECUNIA
Type: UNKNOWN
23805

Source: SECUNIA
Type: UNKNOWN
23889

Source: SECUNIA
Type: UNKNOWN
23921

Source: SECUNIA
Type: UNKNOWN
23946

Source: CCN
Type: GLSA-200701-22
Squid: Multiple Denial of Service vulnerabilities

Source: GENTOO
Type: UNKNOWN
GLSA-200701-22

Source: MANDRIVA
Type: UNKNOWN
MDKSA-2007:026

Source: SUSE
Type: UNKNOWN
SUSE-SA:2007:012

Source: CCN
Type: OSVDB ID: 32823
Squid aclMatchExternal Function external_acl Queue Overload DoS

Source: BID
Type: UNKNOWN
22203

Source: CCN
Type: BID-22203
Squid Proxy ACL Queue Overload Remote Denial of Service Vulnerability

Source: CCN
Type: Squid Web site
Squid Web Proxy Cache

Source: CONFIRM
Type: UNKNOWN
http://www.squid-cache.org/bugs/show_bug.cgi?id=1848

Source: CCN
Type: Squid 2.6.STABLE7 ChangeLog
Changes to squid-2.6.STABLE7 (Jan 13 2007)

Source: CONFIRM
Type: UNKNOWN
http://www.squid-cache.org/Versions/v2/2.6/squid-2.6.STABLE7-RELEASENOTES.html#s12

Source: CCN
Type: TLSA-2007-17
Squid denial of service attack

Source: CCN
Type: USN-414-1
Squid vulnerabilities

Source: UBUNTU
Type: UNKNOWN
USN-414-1

Source: VUPEN
Type: UNKNOWN
ADV-2007-0199

Source: XF
Type: UNKNOWN
squid-externalacl-dos(31525)

Source: XF
Type: UNKNOWN
squid-externalacl-dos(31525)

Source: SUSE
Type: SUSE-SA:2007:012
squid remote denial of service

Vulnerable Configuration:Configuration 1:
  • cpe:/a:squid:squid:2.6.stable6:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:squid-cache:squid:2.6.stable1:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.5.stable11:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.6.stable2:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.6.stable3:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.6.stable4:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.6.stable5:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.6.stable6:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.5.stable13:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.5.stable14:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.5.stable12:*:*:*:*:*:*:*
  • AND
  • cpe:/o:gentoo:linux:*:*:*:*:*:*:*:*
  • OR cpe:/o:suse:linux_enterprise_server:8:*:*:*:*:*:*:*
  • OR cpe:/a:suse:suse_linux_school_server:-:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0:*:*:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/a:mandrakesoft:mandrake_multi_network_firewall:2.0:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:10.0::oss:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2006:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:6.06::lts:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:10.1::personal:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2006::x86-64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2007:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2007::x86_64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0::x86_64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0::x86_64:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:10.2:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:9.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20070248
    V
    		CVE-2007-0248
    2015-11-16
    BACK
    squid squid 2.6.stable6
    squid-cache squid 2.6.stable1
    squid-cache squid 2.5.stable11
    squid-cache squid 2.6.stable2
    squid-cache squid 2.6.stable3
    squid-cache squid 2.6.stable4
    squid-cache squid 2.6.stable5
    squid-cache squid 2.6.stable6
    squid-cache squid 2.5.stable13
    squid-cache squid 2.5.stable14
    squid-cache squid 2.5.stable12
    gentoo linux *
    suse linux enterprise server 8
    suse suse linux school server -
    mandrakesoft mandrake linux corporate server 3.0
    novell open enterprise server *
    mandrakesoft mandrake multi network firewall 2.0
    suse suse linux 10.0
    mandrakesoft mandrake linux 2006
    canonical ubuntu 6.06
    suse suse linux 10.1
    mandrakesoft mandrake linux 2006
    mandrakesoft mandrake linux 2007
    mandrakesoft mandrake linux 2007
    mandrakesoft mandrake linux corporate server 4.0
    mandrakesoft mandrake linux corporate server 4.0
    mandrakesoft mandrake linux corporate server 3.0
    novell open enterprise server *
    novell opensuse 10.2
    suse suse linux 9.3