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CVE-2014-0240

Status Candidate

Overview

The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid when run on certain Linux kernels, which allows local users to gain privileges via vectors related to the number of running processes.

Related Files

Gentoo Linux Security Advisory 201412-21
Posted Dec 15, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201412-21 - Two vulnerabilities have been found in mod_wsgi, the worst of which could result in local privilege escalation. Versions less than 3.5 are affected.

tags | advisory, local, vulnerability
systems | linux, gentoo
advisories | CVE-2014-0240, CVE-2014-0242
MD5 | d31731e1021d49709623767a71b77ffd
Red Hat Security Advisory 2014-1091-01
Posted Aug 25, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1091-01 - The mod_wsgi adapter is an Apache module that provides a WSGI-compliant interface for hosting Python-based web applications within Apache. It was found that mod_wsgi did not properly drop privileges if the call to setuid() failed. If mod_wsgi was set up to allow unprivileged users to run WSGI applications, a local user able to run a WSGI application could possibly use this flaw to escalate their privileges on the system. Note: mod_wsgi is not intended to provide privilege separation for WSGI applications. Systems relying on mod_wsgi to limit or sandbox the privileges of mod_wsgi applications should migrate to a different solution with proper privilege separation.

tags | advisory, web, local, python
systems | linux, redhat
advisories | CVE-2014-0240
MD5 | b71161344f1778fc2613e72d74d8d4d6
Mandriva Linux Security Advisory 2014-137
Posted Jul 12, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-137 - Multiple vulnerabilities have been discovered and corrected in apache-mod_wsgi. It was found that mod_wsgi did not properly drop privileges if the call to setuid failed. If mod_wsgi was set up to allow unprivileged users to run WSGI applications, a local user able to run a WSGI application could possibly use this flaw to escalate their privileges on the system. It was discovered that mod_wsgi could leak memory of a hosted web application via the Content-Type header. A remote attacker could possibly use this flaw to disclose limited portions of the web application's memory. The updated packages have been patched to correct these issues.

tags | advisory, remote, web, local, vulnerability
systems | linux, mandriva
advisories | CVE-2014-0240, CVE-2014-0242
MD5 | 9c269f1bbc51d145514426f49a52563d
Red Hat Security Advisory 2014-0789-01
Posted Jun 25, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0789-01 - The mod_wsgi adapter is an Apache module that provides a WSGI-compliant interface for hosting Python-based web applications within Apache. It was found that mod_wsgi did not properly drop privileges if the call to setuid() failed. If mod_wsgi was set up to allow unprivileged users to run WSGI applications, a local user able to run a WSGI application could possibly use this flaw to escalate their privileges on the system. Note: mod_wsgi is not intended to provide privilege separation for WSGI applications. Systems relying on mod_wsgi to limit or sandbox the privileges of mod_wsgi applications should migrate to a different solution with proper privilege separation.

tags | advisory, web, local, python
systems | linux, redhat
advisories | CVE-2014-0240
MD5 | 54153195fd11186bf237c6cfbbbd7432
Red Hat Security Advisory 2014-0788-01
Posted Jun 25, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0788-01 - The mod_wsgi adapter is an Apache module that provides a WSGI-compliant interface for hosting Python-based web applications within Apache. It was found that mod_wsgi did not properly drop privileges if the call to setuid() failed. If mod_wsgi was set up to allow unprivileged users to run WSGI applications, a local user able to run a WSGI application could possibly use this flaw to escalate their privileges on the system. Note: mod_wsgi is not intended to provide privilege separation for WSGI applications. Systems relying on mod_wsgi to limit or sandbox the privileges of mod_wsgi applications should migrate to a different solution with proper privilege separation.

tags | advisory, web, local, python
systems | linux, redhat
advisories | CVE-2014-0240, CVE-2014-0242
MD5 | d19063f71582c6f68c3949d16bae8eb5
Debian Security Advisory 2937-1
Posted May 28, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2937-1 - Two security issues have been found in the Python WSGI adapter module for Apache.

tags | advisory, python
systems | linux, debian
advisories | CVE-2014-0240, CVE-2014-0242
MD5 | 60bc6088825335037777d7744751ddb2
Ubuntu Security Notice USN-2222-1
Posted May 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2222-1 - Robert Kisteleki discovered mod_wsgi incorrectly checked setuid return values. A malicious application could use this issue to cause a local privilege escalation when using daemon mode. Buck Golemon discovered that mod_wsgi used memory that had been freed. A remote attacker could use this issue to read process memory via the Content-Type response header. This issue only affected Ubuntu 12.04 LTS. Various other issues were also addressed.

tags | advisory, remote, local
systems | linux, ubuntu
advisories | CVE-2014-0240, CVE-2014-0242
MD5 | a70d35ee9f62e47b703f5b1ca37619e0
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