Vulnerability in Robert Ancell Lightdm
CVE-2013-4459
LightDM 1.7.5 through 1.8.3 and 1.9.x before 1.9.2 does not apply the AppArmor profile to the Guest account, which allows local users to bypass intended restrictions by leveraging the Guest account.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 3.3 (Low). Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (35.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Robert Ancell Lightdm — versions 1.7.5, 1.7.6, 1.7.7
- Canonical Ubuntu Linux — versions 13.10
Weakness classification (CWE)
References
- www.ubuntu.com/usn/USN-2012-1 (vendor-advisory)
- bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1243339 (Exploit)
- lists.freedesktop.org/archives/lightdm/2013-October/000471.html (mailing-list)
- lists.freedesktop.org/archives/lightdm/2013-October/000472.html (mailing-list)