CVE-2017-17807
CVSS V2 Low 2.1
CVSS V3 Low 3.3
Description
The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's "default request-key keyring" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.
Overview
- CVE ID
- CVE-2017-17807
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2017-12-20T23:29:00
- Last Modified Date
- 2019-10-03T00:03:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.14.6 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- 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:N/I:L/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 3.3
- Base Severity
- LOW
- Exploitability Score
- 1.8
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.6 | Issue Tracking Mailing List Release Notes |
| https://github.com/torvalds/linux/commit/4dca6ea1d9432052afb06baf2e3ae78188a4410b | Issue Tracking Patch |
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4dca6ea1d9432052afb06baf2e3ae78188a4410b | Issue Tracking Patch |
| https://www.debian.org/security/2017/dsa-4073 | Third Party Advisory |
| http://www.securityfocus.com/bid/102301 | Third Party Advisory VDB Entry |
| https://www.debian.org/security/2018/dsa-4082 | |
| https://lists.debian.org/debian-lts-announce/2018/01/msg00004.html | |
| https://usn.ubuntu.com/3617-2/ | |
| https://usn.ubuntu.com/3617-1/ | |
| https://usn.ubuntu.com/3620-2/ | |
| https://usn.ubuntu.com/3620-1/ | |
| https://usn.ubuntu.com/3619-1/ | |
| https://usn.ubuntu.com/3617-3/ | |
| https://usn.ubuntu.com/3619-2/ | |
| https://usn.ubuntu.com/3632-1/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-17807 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17807 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:24:16 | Added to TrackCVE | |||
| 2022-12-03 00:16:45 | 2017-12-20T23:29Z | 2017-12-20T23:29:00 | CVE Published Date | updated |
| 2022-12-03 00:16:45 | 2019-10-03T00:03:26 | CVE Modified Date | updated | |
| 2022-12-03 00:16:45 | Modified | Vulnerability Status | updated |