Vulnerability 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, an attacker can cause a denial of service (application hang) via crafted PEM input that signifies a public key requiring a password, which triggers an attempt by the OpenSSL library to ask the user for the password, aka TROVE-2017-011.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tor Project | Tor | < 0.2.5.16 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02Vendor Advisory
- https://bugs.torproject.org/24246Vendor Advisory
- https://www.debian.org/security/2017/dsa-4054Third Party Advisory
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02Vendor Advisory
- https://bugs.torproject.org/24246Vendor Advisory
- https://www.debian.org/security/2017/dsa-4054Third Party Advisory
FAQ
What is CVE-2017-8821?
CVE-2017-8821 is a vulnerability with a CVSS score of 7.5 (HIGH). 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, an attacker can cause a denial of service (application hang) via cr...
How severe is CVE-2017-8821?
CVE-2017-8821 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-8821?
Check the references section above for vendor advisories and patch information. Affected products include: Tor Project Tor, Debian Debian Linux.