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CVE-2014-6278

Date: September 30, 2014

GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary commands via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271, CVE-2014-7169, and CVE-2014-6277.

Language: SHELL

Severity Score

8.8

Related Resources (114)

Url: http://lcamtuf.blogspot.com/2014/09/bash-bug-apply-unofficial-patch-now.html

Url: http://marc.info/?l=bugtraq&m=141383026420882&w=2

Url: http://jvn.jp/en/jp/JVN55667175/index.html

Url: http://marc.info/?l=bugtraq&m=141383081521087&w=2

Url: http://packetstormsecurity.com/files/128567/CA-Technologies-GNU-Bash-Shellshock.html

Url: http://jvndb.jvn.jp/jvndb/JVNDB-2014-000126

Url: http://marc.info/?l=bugtraq&m=141383244821813&w=2

Url: http://marc.info/?l=bugtraq&m=141576728022234&w=2

Url: http://marc.info/?l=bugtraq&m=141383465822787&w=2

Url: https://kb.bluecoat.com/index?page=content&id=SA82

Url: http://lcamtuf.blogspot.com/2014/10/bash-bug-how-we-finally-cracked.html

Url: https://support.citrix.com/article/CTX200223

Url: https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10648

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2014-6278

Url: http://secunia.com/advisories/61471

Url: http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096315

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21685749

Url: http://secunia.com/advisories/60024

Url: http://secunia.com/advisories/61633

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2015:164

Url: http://secunia.com/advisories/61129

Url: http://secunia.com/advisories/61128

Url: http://secunia.com/advisories/59961

Url: https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c04497075

Url: http://www.ubuntu.com/usn/USN-2380-1

Url: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6278

Url: http://marc.info/?l=bugtraq&m=142118135300698&w=2

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21686445

Url: https://www.exploit-db.com/exploits/39568/

Url: http://marc.info/?l=bugtraq&m=142358026505815&w=2

Url: http://marc.info/?l=bugtraq&m=141450491804793&w=2

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21685914

Url: http://secunia.com/advisories/61485

Url: http://secunia.com/advisories/60034

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1147414

Url: https://security-tracker.debian.org/tracker/CVE-2014-6278

Url: http://secunia.com/advisories/61641

Url: http://secunia.com/advisories/60433

Url: http://secunia.com/advisories/61643

Url: http://secunia.com/advisories/60325

Url: http://secunia.com/advisories/61816

Url: http://marc.info/?l=bugtraq&m=141383196021590&w=2

Url: http://marc.info/?l=bugtraq&m=141383353622268&w=2

Url: http://marc.info/?l=bugtraq&m=142358078406056&w=2

Url: http://secunia.com/advisories/60044

Url: http://secunia.com/advisories/62343

Url: http://secunia.com/advisories/61654

Url: http://marc.info/?l=bugtraq&m=142721162228379&w=2

Url: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash

Url: http://marc.info/?l=bugtraq&m=141383304022067&w=2

Url: http://secunia.com/advisories/61703

Url: http://marc.info/?l=bugtraq&m=141577241923505&w=2

Url: https://support.citrix.com/article/CTX200217

Url: http://www-01.ibm.com/support/docview.wss?uid=isg3T1021361

Url: https://kc.mcafee.com/corporate/index?page=content&id=SB10085

Url: http://secunia.com/advisories/59907

Url: http://secunia.com/advisories/61780

Url: http://secunia.com/advisories/60055

Url: http://www-01.ibm.com/support/docview.wss?uid=isg3T1021272

Url: http://marc.info/?l=bugtraq&m=141577137423233&w=2

Url: http://www-01.ibm.com/support/docview.wss?uid=isg3T1021279

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21685541

Url: http://packetstormsecurity.com/files/137344/Sun-Secure-Global-Desktop-Oracle-Global-Desktop-Shellshock.html

Url: http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00004.html

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21686479

Url: http://www.qnap.com/i/en/support/con_show.php?cid=61

Url: http://marc.info/?l=bugtraq&m=141345648114150&w=2

Url: https://www.suse.com/support/shellshock/

Url: http://secunia.com/advisories/60063

Url: http://www.oracle.com/technetwork/topics/security/bashcve-2014-7169-2317675.html

Url: http://secunia.com/advisories/61550

Url: http://secunia.com/advisories/61552

Url: http://marc.info/?l=bugtraq&m=141585637922673&w=2

Url: http://secunia.com/advisories/61312

Url: https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15629.html

Url: http://secunia.com/advisories/61313

Url: http://marc.info/?l=bugtraq&m=141879528318582&w=2

Url: http://secunia.com/advisories/61328

Url: http://secunia.com/advisories/61603

Url: http://www.novell.com/support/kb/doc.php?id=7015721

Url: https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c04518183

Url: http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004915

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21686246

Url: https://www.arista.com/en/support/advisories-notices/security-advisories/1008-security-advisory-0006

Url: http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004879

Url: https://www.exploit-db.com/exploits/39887/

Url: https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk102673&src=securityAlerts

Url: http://secunia.com/advisories/60193

Url: http://secunia.com/advisories/61283

Url: http://support.novell.com/security/cve/CVE-2014-6278.html

Url: http://secunia.com/advisories/61442

Url: http://secunia.com/advisories/61287

Url: http://secunia.com/advisories/61565

Url: http://marc.info/?l=bugtraq&m=141577297623641&w=2

Url: http://marc.info/?l=bugtraq&m=141330468527613&w=2

Url: http://secunia.com/advisories/61857

Url: http://secunia.com/advisories/58200

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21686131

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21686494

Url: http://linux.oracle.com/errata/ELSA-2014-3093

Url: http://www.vmware.com/security/advisories/VMSA-2014-0010.html

Url: http://lists.opensuse.org/opensuse-updates/2014-10/msg00025.html

Url: http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004898

Url: http://secunia.com/advisories/61291

Url: http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004897

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21685604

Url: http://secunia.com/advisories/61503

Url: https://nvd.nist.gov/vuln/detail/CVE-2014-6278

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21687079

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21685733

Url: http://linux.oracle.com/errata/ELSA-2014-3094

Url: http://secunia.com/advisories/61065

Url: http://secunia.com/advisories/62312

Url: https://www.mend.io/vulnerability-database/CVE-2014-6278

Severity Score

8.8

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	10.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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