buf_pullup in Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle unexpected arrival times of buffers with invalid layouts, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via crafted packets.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade tor | Jul 30, 2024 | Jan 24, 2020 |
| Suse | — | Upgrade tor-debugsourceUpgrade torUpgrade tor-debuginfo | Dec 18, 2015 | Mar 22, 2015 |
| Ubuntu | — | Upgrade tor | Nov 19, 2024 | Jan 24, 2020 |
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