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CVE-2023-49295

Date: January 10, 2024

quic-go is an implementation of the QUIC protocol (RFC 9000, RFC 9001, RFC 9002) in Go. An attacker can cause its peer to run out of memory sending a large number of PATH_CHALLENGE frames. The receiver is supposed to respond to each PATH_CHALLENGE frame with a PATH_RESPONSE frame. The attacker can prevent the receiver from sending out (the vast majority of) these PATH_RESPONSE frames by collapsing the peers congestion window (by selectively acknowledging received packets) and by manipulating the peer's RTT estimate. This vulnerability has been patched in versions 0.37.7, 0.38.2 and 0.39.4.

Language: Go

Severity Score

Related Resources (18)

https://github.com/quic-go/quic-go/commit/6cc3d58935426191296171a6c0d1ee965e10534e
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZE7IOKXX5AATU2WR3V76X5Y3A44QAATG
https://github.com/quic-go/quic-go/commit/21609ddfeff93668c7625a85eb09f1541fdad965
https://github.com/quic-go/quic-go/commit/554d543b50b917369fb1394cc5396d928166cf49
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZE7IOKXX5AATU2WR3V76X5Y3A44QAATG/
https://nvd.nist.gov/vuln/detail/CVE-2023-49295
https://seemann.io/posts/2023-12-18-exploiting-quics-path-validation/
https://github.com/quic-go/quic-go/security/advisories/GHSA-ppxx-5m9h-6vxf
https://seemann.io/posts/2023-12-18-exploiting-quics-path-validation
https://github.com/quic-go/quic-go/commit/9aaefe19fc3dc8c8917cc87e6128bb56d9e9e6cc
https://github.com/quic-go/quic-go/commit/d7aa627ebde91cf799ada2a07443faa9b1e5abb8
https://github.com/quic-go/quic-go/commit/a0ffa757499913f7be69aa78f573a6aee3430ae4
https://github.com/quic-go/quic-go/commit/17fc98c2d81dbe685c19702dc694a9d606ac56dc
https://github.com/quic-go/quic-go
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G5RSHDTVMYAIGYVVFGKTMFHAZJMA3EVV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G5RSHDTVMYAIGYVVFGKTMFHAZJMA3EVV
https://github.com/quic-go/quic-go/commit/3a9c18bcd27a01c551ac9bf8bd2b4bded77c189a
https://www.mend.io/vulnerability-database/CVE-2023-49295

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): HIGH

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