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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…
Medium6.5EPSS 0.53%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium6.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.53% · top 55% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
References (8)
- GLSA-201704-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:1865 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1037919 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f (opens in a new tab)x_refsource_CONFIRMx_transferred
- 96480 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/ (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20191125 [SECURITY] [DLA 2006-1] libxdmcp security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2017-2625)Record last updated .