CVE-2017-8823
CVSS V2 Medium 6.8
CVSS V3 High 8.1
Description
In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013.
Overview
- CVE ID
- CVE-2017-8823
- Assigner
- security@debian.org
- Vulnerability Status
- Analyzed
- Published Version
- 2017-12-03T07:29:00
- Last Modified Date
- 2017-12-21T18:01:41
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.2.5.16 | |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.2.6 | 0.2.8.17 |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.2.9 | 0.2.9.14 |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.3.0 | 0.3.0.13 |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.3.1 | 0.3.1.9 |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.1
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.torproject.org/24430 | Vendor Advisory |
| https://bugs.torproject.org/24313 | Issue Tracking Vendor Advisory |
| https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 | Vendor Advisory |
| https://www.debian.org/security/2017/dsa-4054 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-8823 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8823 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 18:54:48 | Added to TrackCVE | |||
| 2022-12-02 23:37:28 | 2017-12-03T07:29Z | 2017-12-03T07:29:00 | CVE Published Date | updated |
| 2022-12-02 23:37:28 | 2017-12-21T18:01:41 | CVE Modified Date | updated | |
| 2022-12-02 23:37:28 | Analyzed | Vulnerability Status | updated |