CVE-2019-8955
Summary
| CVE | CVE-2019-8955 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2019-02-21 23:29:00 UTC |
| Updated | 2020-08-24 17:37:00 UTC |
| Description | In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler. |
Risk And Classification
Problem Types: CWE-770
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Torproject | Tor | All | All | All | All |
| Application | Torproject | Tor | 0.3.4.0 | alpha-dev | All | All |
| Application | Torproject | Tor | 0.3.4.1 | alpha | All | All |
| Application | Torproject | Tor | 0.3.4.2 | alpha | All | All |
| Application | Torproject | Tor | 0.3.4.3 | alpha | All | All |
| Application | Torproject | Tor | 0.3.4.4 | rc | All | All |
| Application | Torproject | Tor | 0.3.4.5 | rc | All | All |
| Application | Torproject | Tor | 0.3.4.6 | rc | All | All |
| Application | Torproject | Tor | 0.3.4.7 | rc | All | All |
| Application | Torproject | Tor | 0.3.5.0 | alpha-dev | All | All |
| Application | Torproject | Tor | 0.3.5.1 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.2 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.3 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.4 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.5 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.6 | rc | All | All |
| Application | Torproject | Tor | 0.3.5.7 | All | All | All |
| Application | Torproject | Tor | 0.4.0.1 | alpha | All | All |
| Application | Torproject | Tor | All | All | All | All |
| Application | Torproject | Tor | 0.3.4.0 | alpha-dev | All | All |
| Application | Torproject | Tor | 0.3.4.1 | alpha | All | All |
| Application | Torproject | Tor | 0.3.4.2 | alpha | All | All |
| Application | Torproject | Tor | 0.3.4.3 | alpha | All | All |
| Application | Torproject | Tor | 0.3.4.4 | rc | All | All |
| Application | Torproject | Tor | 0.3.4.5 | rc | All | All |
| Application | Torproject | Tor | 0.3.4.6 | rc | All | All |
| Application | Torproject | Tor | 0.3.4.7 | rc | All | All |
| Application | Torproject | Tor | 0.3.5.0 | alpha-dev | All | All |
| Application | Torproject | Tor | 0.3.5.1 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.2 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.3 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.4 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.5 | alpha | All | All |
| Application | Torproject | Tor | 0.3.5.6 | rc | All | All |
| Application | Torproject | Tor | 0.3.5.7 | All | All | All |
| Application | Torproject | Tor | 0.4.0.1 | alpha | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| New Releases: Tor 0.4.0.2-alpha, 0.3.5.8, 0.3.4.11, and 0.3.3.12 | Tor Blog | MISC | blog.torproject.org | Vendor Advisory |
| Tor CVE-2019-8955 Remote Denial of Service Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| [security-announce] openSUSE-SU-2019:1107-1: moderate: Security update f | SUSE | lists.opensuse.org | |
| #29168 (Fix TROVE-2019-001 (KIST can write above outbuf highwater mark)) – Tor Bug Tracker & Wiki | MISC | trac.torproject.org | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 501258 Alpine Linux Security Update for tor