CVE-2017-2625 It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from...
MediumCVSS 5.5
EPSS 0.53%
- Published
- Updated
- Exploit status
- No public exploit known
Description
It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libxdmcp(Debian:12) | < 1:1.1.2-2 | 1:1.1.2-2 |
| debian/libxdmcp(Debian:13) | < 1:1.1.2-2 | 1:1.1.2-2 |
| debian/libxdmcp(Debian:14) | < 1:1.1.2-2 | 1:1.1.2-2 |
| x.org libxdmcp | < 1.1.2 | 1.1.2 |
| redhat enterprise linux | = 7.0 | No fix listed |
| redhat enterprise linux desktop | = 7.0 | No fix listed |
| redhat enterprise linux server | = 7.0 | No fix listed |
| redhat enterprise linux server aus | = 7.4 | No fix listed |
| redhat enterprise linux server eus | = 7.4 | No fix listed |
| redhat enterprise linux server eus | = 7.5 | No fix listed |
| redhat enterprise linux workstation | = 7.0 | No fix listed |
| alpine/libxdmcp(Alpine:v3.10) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.11) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.12) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.13) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.14) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.15) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.16) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.17) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.18) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.19) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.20) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.21) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.22) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.23) | < 1.1.2-r3 | 1.1.2-r3 |
Show 6 more
| Product | Affected versions | Fixed in |
|---|---|---|
| alpine/libxdmcp(Alpine:v3.24) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.6) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.7) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.8) | < 1.1.2-r3 | 1.1.2-r3 |
| alpine/libxdmcp(Alpine:v3.9) | < 1.1.2-r3 | 1.1.2-r3 |
| xorg libXdmcp | = 1.1.2 | No fix listed |
References
- Debian Security Tracker CVE-2017-2625 vendor-advisory
- 96480 third-party-advisory vdb-entry
- 1037919 third-party-advisory vdb-entry
- RHSA-2017:1865 third-party-advisory vendor-advisory
- bugzilla.redhat.com issue-tracking third-party-advisory
- cgit.freedesktop.org third-party-advisory
- [debian-lts-announce] 20191125 [SECURITY] [DLA 2006-1] libxdmcp security update mailing-list
- GLSA-201704-03 third-party-advisory vendor-advisory
- www.x41-dsec.de exploit third-party-advisory
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking