Vulnerability Monitor

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CVE-2017-0375

The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the relay_send_end_cell_from_edge_ function via a malformed BEGIN cell.

Published

2017-06-09T17:29:00.217

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-617

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	torproject	tor	< 0.3.0.8	Yes

References

http://www.securityfocus.com/bid/99017 Third Party Advisory, VDB Entry ([email protected])
https://github.com/torproject/tor/commit/79b59a2dfcb68897ee89d98587d09e55f07e68d7 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html Mailing List, Third Party Advisory ([email protected])
https://trac.torproject.org/projects/tor/ticket/22493 Issue Tracking ([email protected])
http://www.securityfocus.com/bid/99017 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torproject/tor/commit/79b59a2dfcb68897ee89d98587d09e55f07e68d7 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://trac.torproject.org/projects/tor/ticket/22493 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)