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CVSSv2

CVE-2015-2688

Published: 24/01/2020 Updated: 31/01/2020
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

buf_pullup in Tor prior to 0.2.4.26 and 0.2.5.x prior to 0.2.5.11 does not properly handle unexpected arrival times of buffers with invalid layouts, which allows remote malicious users to cause a denial of service (assertion failure and daemon exit) via crafted packets.

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Vendor Advisories

Debian Security Advisories: DSA-3203-1 tor -- security update
Several denial-of-service issues have been discovered in Tor, a connection-based low-latency anonymous communication system Jowr discovered that very high DNS query load on a relay could trigger an assertion error A relay could crash with an assertion error if a buffer of exactly the wrong layout was passed to buf_pullup() at exactly ...

References

CWE-755https://trac.torproject.org/projects/tor/ticket/15083https://lists.torproject.org/pipermail/tor-talk/2015-March/037281.htmlhttps://nvd.nist.govhttps://www.debian.org/security/./dsa-3203
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4651CVE-2024-34255elevation of privilegeCVE-2024-25529CVE-2024-4671NULL pointer dereferenceCVE-2024-25527template injectionCVE-2008-0166
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