CVE-2017-2625
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
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.
Overview
- CVE ID
- CVE-2017-2625
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2018-07-27T18:29:00
- Last Modified Date
- 2023-02-12T23:29:15
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:x.org:libxdmcp:*:*:*:*:*:*:*:* | 1 | OR | 1.1.2 | |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| http://www.securityfocus.com/bid/96480 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037919 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2017:1865 | Third Party Advisory |
| https://access.redhat.com/security/cve/CVE-2017-2625 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1424987 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625 | Issue Tracking Third Party Advisory |
| https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html | |
| https://security.gentoo.org/glsa/201704-03 | Third Party Advisory |
| https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/ | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-2625 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2625 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:09:36 | Added to TrackCVE | |||
| 2022-12-03 10:35:54 | 2018-07-27T18:29Z | 2018-07-27T18:29:00 | CVE Published Date | updated |
| 2022-12-03 10:35:54 | 2019-10-09T23:26:58 | CVE Modified Date | updated | |
| 2022-12-03 10:35:54 | Modified | Vulnerability Status | updated | |
| 2023-02-02 17:07:51 | 2023-02-02T15:17:20 | CVE Modified Date | updated | |
| 2023-02-02 17:07:52 | 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. | It was discovered that libXdmcp 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. | Description | updated |
| 2023-02-02 17:07:57 | References | updated | ||
| 2023-02-13 01:08:18 | 2023-02-12T23:29:15 | CVE Modified Date | updated | |
| 2023-02-13 01:08:22 | Weakness Enumeration | update | ||
| 2023-02-13 01:08:22 | It was discovered that libXdmcp 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. | 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. | Description | updated |