CVE-2010-3853
What it is
pam_namespace.c in the pam_namespace module in Linux-PAM (aka pam) before 1.1.3 uses the environment of the invoking application or service during execution of the namespace.init script, which might allow local users to gain privileges by running a setuid program that relies on the pam_namespace PAM check, as demonstrated by the sudo program.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 6.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Record status
- Modified
Affected
- linux-pam ≤ 1.1.2
- linux-pam 0.99.1.0
- linux-pam 0.99.2.0
- linux-pam 0.99.2.1
- linux-pam 0.99.3.0
- linux-pam 0.99.4.0
- linux-pam 0.99.5.0
- linux-pam 0.99.6.0
Attack profile CVSS 2.0 · 6.9
- Attack vector
- Local
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2010-3853.md and follow it. Check whether this project is affected by CVE-2010-3853. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_namespace/pam_namespace.c?view=log#rev1.13
- https://bugzilla.redhat.com/show_bug.cgi?id=643043
- http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_namespace/pam_namespace.c?view=log#rev1.13
- https://bugzilla.redhat.com/show_bug.cgi?id=643043
References
- http://lists.vmware.com/pipermail/security-announce/2011/000126.html
- http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_namespace/pam_namespace.c?view=log#rev1.13
- http://secunia.com/advisories/49711
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:220
- http://www.redhat.com/support/errata/RHSA-2010-0819.html
- http://www.redhat.com/support/errata/RHSA-2010-0891.html
- http://www.securityfocus.com/archive/1/516909/100/0/threaded
- http://www.vmware.com/security/advisories/VMSA-2011-0004.html
- http://www.vupen.com/english/advisories/2011/0606
- https://bugzilla.redhat.com/show_bug.cgi?id=643043
- http://lists.vmware.com/pipermail/security-announce/2011/000126.html
- http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_namespace/pam_namespace.c?view=log#rev1.13
- http://secunia.com/advisories/49711
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:220
- http://www.redhat.com/support/errata/RHSA-2010-0819.html
- http://www.redhat.com/support/errata/RHSA-2010-0891.html
- http://www.securityfocus.com/archive/1/516909/100/0/threaded
- http://www.vmware.com/security/advisories/VMSA-2011-0004.html
- http://www.vupen.com/english/advisories/2011/0606
- https://bugzilla.redhat.com/show_bug.cgi?id=643043