VDB
DEBIAN-CVE-2017-2624
DEBIAN-CVE-2017-2624
PUBLISHED
CVSS 7 HIGH
It was found that xorg-x11-server before 1.19.0 including uses memcmp() to check the received MIT cookie against a series of valid cookies. If the cookie is correct, it is allowed to attach to the Xorg session. Since most memcmp() implementations return after an invalid byte is seen, this causes a time difference between a valid and invalid byte, which could allow an efficient brute force attack.
Risk Scores
CVSS v3.0
7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | xorg-server | 0, 0, 0 |
| Debian:12 | xorg-server | 0, 0, 0 |
| Debian:13 | xorg-server | 0, 0, 0 |
| Debian:14 | xorg-server | 0, 0, 0 |
Timeline
- Jul 27, 2018 CVE Published
- Apr 28, 2026 CVE Updated