Vulnerability in Torproject Tor
CVE-2013-7295
Tor before 0.2.4.20, when OpenSSL 1.x is used in conjunction with a certain HardwareAccel setting on Intel Sandy Bridge and Ivy Bridge platforms, does not properly generate random numbers for (1) relay identity keys and (2) hidden-service identity keys, which might make it easier for remote attackers to bypass cryptographic protection mechanisms via unspecified vectors.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.0 (Medium). Vector: AV:N/AC:H/Au:N/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.018 (77.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Torproject Tor — versions 0.2.4.1, 0.2.4.2, 0.2.4.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-updates/2014-01/msg00095.html (vendor-advisory)
- lists.torproject.org/pipermail/tor-talk/2013-December/031483.html (Vendor Advisory, mailing-list)
Frequently asked questions
- What is CVE-2013-7295?
- CVE-2013-7295 is a vulnerability in Torproject Tor, classified under Cryptographic Issues. Published 2014-01-17.
- Is CVE-2013-7295 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.