CVE-2017-0376: debian debian_linux Reachable Assertion
CVSS: 7.5v3.0HighModified
AliasesMGASA-2017-0176UBUNTU-CVE-2017-0376DEBIAN-CVE-2017-0376DLA-982-1DSA-3877-1
Published 09-06-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-0376 is a high (CVSS 7.5) Reachable Assertion vulnerability in debian debian_linux. EPSS estimates a 2.18% chance of exploitation in the next 30 days, higher than 82% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
2.18%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 09-06-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR cell on a rendezvous circuit.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.18%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.18% on 19-09-2026
19-09-202619-10-2026
EPSS score2.18%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- tor< 0.2.9.11-1 | < 0.2.5.14-1 | < 0.2.9.11-1~deb9u1 | < 0.2.4.29-1
- debian_linuxEOL8.0 | 9.0
Mageia1 product
- tor< 0.2.8.14-1.mga5
Torproject1 product
- tor< 0.3.0.8
Ubuntu1 product
- tor< 0.2.4.27-1ubuntu0.1
4 vendors · 5 products
References
11 links- lists.torproject.org/pipermail/tor-announce/2017-June/000131.htmlX Refsource CONFIRMMailing ListThird Party Advisory
- github.com/torproject/tor/commit/56a7c5bc15e0447203a491c1ee37de9939ad1dcdX Refsource CONFIRMIssue TrackingPatchThird Party Advisory