CVE-2017-6542
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.
Overview
- CVE ID
- CVE-2017-6542
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2017-03-27T17:59:00
- Last Modified Date
- 2018-10-30T16:27:33
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:* | 1 | OR | 0.67 | |
| cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://security.gentoo.org/glsa/201703-03 | Third Party Advisory VDB Entry |
| https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8 | Patch Third Party Advisory |
| http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html | Patch Vendor Advisory |
| http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html | Third Party Advisory |
| http://www.securityfocus.com/bid/97156 | Third Party Advisory VDB Entry |
| https://security.gentoo.org/glsa/201706-09 | |
| http://www.securitytracker.com/id/1038067 | |
| https://www.exploit-db.com/exploits/42137/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-6542 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6542 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:57:11 | Added to TrackCVE | |||
| 2022-12-02 15:10:03 | 2017-03-27T17:59Z | 2017-03-27T17:59:00 | CVE Published Date | updated |
| 2022-12-02 15:10:03 | 2018-10-30T16:27:33 | CVE Modified Date | updated | |
| 2022-12-02 15:10:03 | Modified | Vulnerability Status | updated |