cURL/libcURL CVE-2014-0139 SSL Certificate Validation Security Bypass Vulnerability

BID:66458

Info

cURL/libcURL CVE-2014-0139 SSL Certificate Validation Security Bypass Vulnerability

Bugtraq ID: 66458
Class: Design Error
CVE: CVE-2014-0139
Remote: Yes
Local: No
Published: Mar 26 2014 12:00AM
Updated: Jul 15 2015 12:03AM
Credit: Richard Moore
Vulnerable: Ubuntu Ubuntu Linux 12.04 LTS i386
Ubuntu Ubuntu Linux 12.04 LTS amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
SuSE openSUSE 11.4
Slackware Linux 13.37
Slackware Linux 13.1
Slackware Linux 13.0
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
Gentoo Linux
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64
Daniel Stenberg curl 7.20
Daniel Stenberg curl 7.19.6
Daniel Stenberg curl 7.19.5
Daniel Stenberg curl 7.19.4
Daniel Stenberg curl 7.19.3
Daniel Stenberg curl 7.19
Daniel Stenberg curl 7.18.1
Daniel Stenberg curl 7.18
Daniel Stenberg curl 7.17
Daniel Stenberg curl 7.16.4
Daniel Stenberg curl 7.15.5
Daniel Stenberg curl 7.15.3
Daniel Stenberg curl 7.15.2
Daniel Stenberg curl 7.15.1
Daniel Stenberg curl 7.15
Daniel Stenberg curl 7.14.1
Daniel Stenberg curl 7.14
Daniel Stenberg curl 7.13.2
Daniel Stenberg curl 7.13.1
Daniel Stenberg curl 7.13
Daniel Stenberg curl 7.12.3
Daniel Stenberg curl 7.12.2
Daniel Stenberg curl 7.12.1
+ Red Hat Enterprise Linux AS 4
+ RedHat Desktop 4.0
+ RedHat Enterprise Linux ES 4
+ RedHat Enterprise Linux WS 4
Daniel Stenberg curl 7.12
+ S.u.S.E. Linux Personal 9.2 x86_64
+ S.u.S.E. Linux Personal 9.2
+ Ubuntu Ubuntu Linux 4.1 ppc
+ Ubuntu Ubuntu Linux 4.1 ia64
+ Ubuntu Ubuntu Linux 4.1 ia32
Daniel Stenberg curl 7.11.2
Daniel Stenberg curl 7.11.1
+ Conectiva Linux 10.0
Daniel Stenberg curl 7.11
+ S.u.S.E. Linux Personal 9.1 x86_64
+ S.u.S.E. Linux Personal 9.1
Daniel Stenberg curl 7.10.8
Daniel Stenberg curl 7.10.7
Daniel Stenberg curl 7.10.6
+ Red Hat Enterprise Linux AS 3
+ RedHat Desktop 3.0
+ RedHat Enterprise Linux ES 3
+ RedHat Enterprise Linux WS 3
Daniel Stenberg curl 7.10.5
Daniel Stenberg curl 7.10.4
Daniel Stenberg curl 7.10.3
Daniel Stenberg curl 7.10.2
Daniel Stenberg curl 7.10.1
Daniel Stenberg curl 7.10
Daniel Stenberg curl 7.9.8
Daniel Stenberg curl 7.9.7
Daniel Stenberg curl 7.9.6
Daniel Stenberg curl 7.9.5
Daniel Stenberg curl 7.9.4
Daniel Stenberg curl 7.9.3
Daniel Stenberg curl 7.9.2
Daniel Stenberg curl 7.9.1
Daniel Stenberg curl 7.9
Daniel Stenberg curl 7.8.2
+ Red Hat Enterprise Linux AS 2.1 IA64
+ Red Hat Enterprise Linux AS 2.1
+ RedHat Advanced Workstation for the Itanium Processor 2.1
+ RedHat Enterprise Linux ES 2.1 IA64
+ RedHat Enterprise Linux ES 2.1
+ RedHat Enterprise Linux WS 2.1 IA64
+ RedHat Enterprise Linux WS 2.1
Daniel Stenberg curl 7.8.1
Daniel Stenberg curl 7.8
Daniel Stenberg curl 7.7.3
Daniel Stenberg curl 7.7.2
Daniel Stenberg curl 7.7.1
Daniel Stenberg curl 7.7
Daniel Stenberg curl 7.6.1
Daniel Stenberg curl 7.6
Daniel Stenberg curl 7.5.2
Daniel Stenberg curl 7.5.1
Daniel Stenberg curl 7.5
Daniel Stenberg curl 7.4.2
Daniel Stenberg curl 7.4.1
Daniel Stenberg curl 7.4
Daniel Stenberg curl 7.3
Daniel Stenberg curl 7.2.1
Daniel Stenberg curl 7.2
Daniel Stenberg curl 7.1.1
Daniel Stenberg curl 7.1
Daniel Stenberg curl 7.24.0
Daniel Stenberg curl 7.23.1
Daniel Stenberg curl 7.21.7
Daniel Stenberg curl 7.20.2
Daniel Stenberg curl 7.20.1
Daniel Stenberg curl 7.16.3
Not Vulnerable:

Discussion

cURL/libcURL CVE-2014-0139 SSL Certificate Validation Security Bypass Vulnerability

cURL/libcURL is prone to a security-bypass vulnerability because it fails to properly validate SSL certificates.

Successfully exploiting this issue allows attackers to perform man-in-the-middle attacks or impersonate trusted servers, which will aid in further attacks.

cURL 7.1 through 7.35.0 are vulnerable.

Exploit / POC

cURL/libcURL CVE-2014-0139 SSL Certificate Validation Security Bypass Vulnerability

An attacker can use readily available network utilities to exploit this issue.

Solution / Fix

cURL/libcURL CVE-2014-0139 SSL Certificate Validation Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

References

cURL/libcURL CVE-2014-0139 SSL Certificate Validation Security Bypass Vulnerability

References:

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