var-201310-0633
Vulnerability from variot
The default configuration of nginx, possibly 1.3.13 and earlier, uses world-readable permissions for the (1) access.log and (2) error.log files, which allows local users to obtain sensitive information by reading the files. Nginx is prone to an insecure file-permission vulnerability. Such information could aid in other attacks. nginx is a lightweight web server/reverse proxy server and email (IMAP/POP3) proxy server developed by Russian programmer Igor Sysoev. There is a security vulnerability in the default configuration of nginx 1.3.13 and earlier versions. The vulnerability stems from the fact that the program uses globally readable permissions for the access.log and error.log files. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201310-04
http://security.gentoo.org/
Severity: Normal Title: nginx: Multiple vulnerabilities Date: October 06, 2013 Bugs: #458726, #468870 ID: 201310-04
Synopsis
Multiple vulnerabilities have been found in nginx, the worst of which may allow execution of arbitrary code.
Background
nginx is a robust, small, and high performance HTTP and reverse proxy server.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-servers/nginx < 1.4.1-r2 >= 1.4.1-r2
Description
Multiple vulnerabilities have been discovered in nginx. Please review the CVE identifiers referenced below for details.
Impact
A remote attacker could send a specially crafted request, possibly resulting in execution of arbitrary code with the privileges of the process, or a Denial of Service condition. Furthermore, a context-dependent attacker may be able to obtain sensitive information.
Workaround
There is no known workaround at this time.
Resolution
All nginx users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/nginx-1.4.1-r2"
References
[ 1 ] CVE-2013-0337 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0337 [ 2 ] CVE-2013-2028 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2028 [ 3 ] CVE-2013-2070 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2070
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201310-04.xml
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2013 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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"data": "The default configuration of nginx, possibly 1.3.13 and earlier, uses world-readable permissions for the (1) access.log and (2) error.log files, which allows local users to obtain sensitive information by reading the files. Nginx is prone to an insecure file-permission vulnerability. Such information could aid in other attacks. nginx is a lightweight web server/reverse proxy server and email (IMAP/POP3) proxy server developed by Russian programmer Igor Sysoev. There is a security vulnerability in the default configuration of nginx 1.3.13 and earlier versions. The vulnerability stems from the fact that the program uses globally readable permissions for the access.log and error.log files. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 201310-04\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n http://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n Title: nginx: Multiple vulnerabilities\n Date: October 06, 2013\n Bugs: #458726, #468870\n ID: 201310-04\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been found in nginx, the worst of which\nmay allow execution of arbitrary code. \n\nBackground\n==========\n\nnginx is a robust, small, and high performance HTTP and reverse proxy\nserver. \n\nAffected packages\n=================\n\n -------------------------------------------------------------------\n Package / Vulnerable / Unaffected\n -------------------------------------------------------------------\n 1 www-servers/nginx \u003c 1.4.1-r2 \u003e= 1.4.1-r2\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in nginx. Please review\nthe CVE identifiers referenced below for details. \n\nImpact\n======\n\nA remote attacker could send a specially crafted request, possibly\nresulting in execution of arbitrary code with the privileges of the\nprocess, or a Denial of Service condition. Furthermore, a\ncontext-dependent attacker may be able to obtain sensitive information. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll nginx users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot --verbose \"\u003e=www-servers/nginx-1.4.1-r2\"\n\nReferences\n==========\n\n[ 1 ] CVE-2013-0337\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0337\n[ 2 ] CVE-2013-2028\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2028\n[ 3 ] CVE-2013-2070\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2070\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n http://security.gentoo.org/glsa/glsa-201310-04.xml\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2013 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttp://creativecommons.org/licenses/by-sa/2.5\n",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.