Privilege escalation in X.org X_server
CVE-2017-13721
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the s…
Vulnerability class: Privilege Escalation
EPSS: 0.001 (23.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- X.org X_server
- Debian Debian_linux — versions 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (Vendor Advisory, mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2017-13721?
- CVE-2017-13721 is a medium-severity vulnerability in X.org X_server, classified under Improper Privilege Management. CVSS score: 4.7/10. Published 2017-10-10.
- How severe is CVE-2017-13721?
- Medium severity. CVSS v3 base score is 4.7 out of 10.