VulnerabilityModified
CVE-2011-3349
A local user can overwrite root-owned files via a symlink, which can allow possible privilege escalation.
HIGH 7.8EPSS 0.36%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders. A local user can overwrite root-owned files via a symlink, which can allow possible privilege escalation.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.36% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- lightdm project/lightdm
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/cve-2011-3349Broken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151Mailing List, Third Party Advisory
- https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079Third Party Advisory
- https://seclists.org/oss-sec/2011/q3/393Mailing List, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-3349Third Party Advisory
- https://www.securityfocus.com/bid/50506Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2011-3349Broken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639151Mailing List, Third Party Advisory
- https://bugs.launchpad.net/debian/+source/lightdm/+bug/834079Third Party Advisory
- https://seclists.org/oss-sec/2011/q3/393Mailing List, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-3349Third Party Advisory
- https://www.securityfocus.com/bid/50506Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.