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torproject tor vulnerabilities and exploits
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7.5
CVSSv3
CVE-2021-34549
An issue exists in Tor prior to 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.
Torproject Tor
7.5
CVSSv3
CVE-2021-34550
An issue exists in Tor prior to 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor
Torproject Tor
7.5
CVSSv3
CVE-2017-0375
The hidden-service feature in Tor prior to 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.
Torproject Tor
7.5
CVSSv3
CVE-2018-0491
A use-after-free issue exists in Tor 0.3.2.x prior to 0.3.2.10. It allows remote malicious users to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.
Torproject Tor
1 EDB exploit
7.5
CVSSv3
CVE-2022-33903
Tor 0.4.7.x prior to 0.4.7.8 allows a denial of service via the wedging of RTT estimation.
Torproject Tor
7.5
CVSSv3
CVE-2015-2929
The Hidden Service (HS) client implementation in Tor prior to 0.2.4.27, 0.2.5.x prior to 0.2.5.12, and 0.2.6.x prior to 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor.
Torproject Tor
7.5
CVSSv3
CVE-2015-2928
The Hidden Service (HS) server implementation in Tor prior to 0.2.4.27, 0.2.5.x prior to 0.2.5.12, and 0.2.6.x prior to 0.2.6.7 allows remote malicious users to cause a denial of service (assertion failure and daemon exit) via unspecified vectors.
Torproject Tor
5.3
CVSSv3
CVE-2019-13075
Tor Browser up to and including 8.5.3 has an information exposure vulnerability. It allows remote malicious users to detect the browser's language via vectors involving an IFRAME element, because text in that language is included in the title attribute of a LINK element for ...
Torproject Tor Browser
5.5
CVSSv3
CVE-2021-46702
Tor Browser 9.0.7 on Windows 10 build 10586 is vulnerable to information disclosure. This could allow local malicious users to bypass the intended anonymity feature and obtain information regarding the onion services visited by a local user. This can be accomplished by analyzing ...
Torproject Tor 9.0.7
1 Github repository
4.3
CVSSv3
CVE-2019-12383
Tor Browser prior to 8.0.1 has an information exposure vulnerability. It allows remote malicious users to detect the browser's UI locale by measuring a button width, even if the user has a "Don't send my language" setting.
Torproject Tor Browser
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-21991
CVE-2024-32674
path traversal
CVE-2023-21987
denial of service
dos
CVE-2024-4647
CVE-2024-25519
CVE-2024-33612
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