Vulnerability Name:

CVE-2012-4545 (CCN-80882)

Assigned:2012-10-30
Published:2012-10-30
Updated:2017-08-29
Summary:The http_negotiate_create_context function in protocol/http/http_negotiate.c in ELinks 0.12 before 0.12pre6, when using HTTP Negotiate or GSS-Negotiate authentication, delegates user credentials through GSSAPI, which allows remote servers to authenticate as the client via the delegated credentials.
CVSS v3 Severity:7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/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:5.1 Medium (CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P)
4.4 Medium (Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
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)
6.5 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:H/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
4.3 Medium (REDHAT CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
3.7 Low (REDHAT Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N/E:H/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: CCN
Type: BugTraq Mailing List, Thu Dec 27 2012 - 21:37:23 CST
elinks security update

Source: CONFIRM
Type: UNKNOWN
http://bugzilla.elinks.cz/show_bug.cgi?id=1124

Source: MITRE
Type: CNA
CVE-2012-4545

Source: CCN
Type: ELinks Web Site
ELinks

Source: CCN
Type: ELinks GIT Repository Web Site
ELinks GIT Repository

Source: CONFIRM
Type: UNKNOWN
http://repo.or.cz/w/elinks.git/blobdiff/89056e21fc7ab8e1c2d4e06ec9d0c6d01e70669a..da18694ff7dd0b67dfcb3c417fb0579b1e7d02d7:/src/protocol/http/http_negotiate.c

Source: CCN
Type: RHSA-2013-0250
Moderate: elinks security update

Source: REDHAT
Type: UNKNOWN
RHSA-2013:0250

Source: SECUNIA
Type: Vendor Advisory
51569

Source: DEBIAN
Type: UNKNOWN
DSA-2592

Source: DEBIAN
Type: DSA-2592
elinks -- programming error

Source: MANDRIVA
Type: UNKNOWN
MDVSA-2013:075

Source: BID
Type: UNKNOWN
57065

Source: CCN
Type: BID-57065
ELinks CVE-2012-4545 Security Bypass Vulnerability

Source: XF
Type: UNKNOWN
elinks-httpnegotiate-security-bypass(80882)

Source: XF
Type: UNKNOWN
elinks-httpnegotiate-security-bypass(80882)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:elinks:elinks:0.12:pre1:*:*:*:*:*:*
  • OR cpe:/a:elinks:elinks:0.12:pre2:*:*:*:*:*:*
  • OR cpe:/a:elinks:elinks:0.12:pre3:*:*:*:*:*:*
  • OR cpe:/a:elinks:elinks:0.12:pre4:*:*:*:*:*:*
  • OR cpe:/a:elinks:elinks:0.12:pre5:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:6:*:*:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:6::client:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:6::computenode:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:6::server:*:*:*:*:*

    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:6::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:elinks:elinks:0.12:pre5:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:6:*:server:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:6:*:workstation:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:6:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node:6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:19983
    P
    		DSA-2592-1 elinks - programming error
    2014-06-23
    oval:org.mitre.oval:def:23998
    P
    		ELSA-2013:0250: elinks security update (Moderate)
    2014-05-26
    oval:org.mitre.oval:def:21127
    P
    		RHSA-2013:0250: elinks security update (Moderate)
    2014-02-17
    oval:com.redhat.rhsa:def:20130250
    P
    		RHSA-2013:0250: elinks security update (Moderate)
    2013-02-11
    oval:com.ubuntu.xenial:def:201245450000000
    V
    		CVE-2012-4545 on Ubuntu 16.04 LTS (xenial) - medium.
    2013-01-03
    oval:com.ubuntu.precise:def:20124545000
    V
    		CVE-2012-4545 on Ubuntu 12.04 LTS (precise) - medium.
    2013-01-02
    oval:com.ubuntu.trusty:def:20124545000
    V
    		CVE-2012-4545 on Ubuntu 14.04 LTS (trusty) - medium.
    2013-01-02
    oval:com.ubuntu.xenial:def:20124545000
    V
    		CVE-2012-4545 on Ubuntu 16.04 LTS (xenial) - medium.
    2013-01-02
    BACK
    elinks elinks 0.12 pre1
    elinks elinks 0.12 pre2
    elinks elinks 0.12 pre3
    elinks elinks 0.12 pre4
    elinks elinks 0.12 pre5
    elinks elinks 0.12 pre5
    redhat enterprise linux 5
    redhat enterprise linux 5
    redhat enterprise linux 6
    redhat enterprise linux 6
    redhat enterprise linux desktop 6
    redhat enterprise linux hpc node 6