Vulnerability Name:

CVE-1999-1481 (CCN-3433)

Assigned:1999-10-28
Published:1999-10-28
Updated:2017-10-10
Summary:Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
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): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Bypass Security
References:Source: CCN
Type: BugTraq Mailing List, Mon, 25 Oct 1999 20:30:36 +0200
[squid] external authentication security issue

Source: MITRE
Type: CNA
CVE-1999-1481

Source: CCN
Type: OSVDB ID: 1125
Squid Web Proxy Newline Cross-User Authentication Bypass

Source: BUGTRAQ
Type: UNKNOWN
19991103 [squid]exploit for external authentication problem

Source: BID
Type: Exploit, Patch, Vendor Advisory
741

Source: CCN
Type: BID-741
Squid Web Proxy Authentication Failure Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
http://www.squid-cache.org/Versions/v2/2.2/bugs/

Source: CCN
Type: Squid Web Proxy Cache Web site
squid-2.2.stable5-newlines_in_auth.patch

Source: XF
Type: UNKNOWN
squid-proxy-auth-access(3433)

Source: XF
Type: UNKNOWN
squid-proxy-auth-access(3433)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:national_science_foundation:squid_web_proxy:1.0:*:*:*:*:*:*:*
  • OR cpe:/a:national_science_foundation:squid_web_proxy:1.0novm:*:*:*:*:*:*:*
  • OR cpe:/a:national_science_foundation:squid_web_proxy:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:national_science_foundation:squid_web_proxy:2.1:*:*:*:*:*:*:*
  • OR cpe:/a:national_science_foundation:squid_web_proxy:2.2:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:squid-cache:squid:2.1:*:*:*:*:*:*:*
  • OR cpe:/a:squid-cache:squid:2.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    national_science_foundation squid web proxy 1.0
    national_science_foundation squid web proxy 1.0novm
    national_science_foundation squid web proxy 1.1
    national_science_foundation squid web proxy 2.1
    national_science_foundation squid web proxy 2.2
    squid-cache squid 2.1
    squid-cache squid 2.2