{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2023-49295","title":"Title"},{"category":"description","text":"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.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2023-49295","url":"https://www.suse.com/security/cve/CVE-2023-49295"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1234982 for CVE-2023-49295","url":"https://bugzilla.suse.com/1234982"}],"title":"SUSE CVE 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Page","text":"https://www.suse.com/security/cve/CVE-2023-49295"}],"notes":[{"category":"general","text":"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.","title":"CVE description"}],"product_status":{"recommended":["SUSE Package Hub 15 SP5:syncthing-1.27.3-bp155.2.6.1","SUSE Package Hub 15 SP5:syncthing-relaysrv-1.27.3-bp155.2.6.1","SUSE Package Hub 15 SP6:kubo-0.32.1-bp156.2.3.1","openSUSE Leap 15.5:syncthing-1.27.3-bp155.2.6.1","openSUSE Leap 15.5:syncthing-relaysrv-1.27.3-bp155.2.6.1","openSUSE Leap 15.6:kubo-0.32.1-bp156.2.3.1","openSUSE Tumbleweed:kubo-0.32.1-1.1","openSUSE Tumbleweed:syncthing-1.27.2-1.1","openSUSE Tumbleweed:syncthing-relaysrv-1.27.2-1.1"]},"references":[{"category":"external","summary":"CVE-2023-49295","url":"https://www.suse.com/security/cve/CVE-2023-49295"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1234982 for CVE-2023-49295","url":"https://bugzilla.suse.com/1234982"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Package Hub 15 SP5:syncthing-1.27.3-bp155.2.6.1","SUSE Package Hub 15 SP5:syncthing-relaysrv-1.27.3-bp155.2.6.1","SUSE Package Hub 15 SP6:kubo-0.32.1-bp156.2.3.1","openSUSE Leap 15.5:syncthing-1.27.3-bp155.2.6.1","openSUSE Leap 15.5:syncthing-relaysrv-1.27.3-bp155.2.6.1","openSUSE Leap 15.6:kubo-0.32.1-bp156.2.3.1","openSUSE Tumbleweed:kubo-0.32.1-1.1","openSUSE Tumbleweed:syncthing-1.27.2-1.1","openSUSE Tumbleweed:syncthing-relaysrv-1.27.2-1.1"]}],"scores":[{"cvss_v3":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Package Hub 15 SP5:syncthing-1.27.3-bp155.2.6.1","SUSE Package Hub 15 SP5:syncthing-relaysrv-1.27.3-bp155.2.6.1","SUSE Package Hub 15 SP6:kubo-0.32.1-bp156.2.3.1","openSUSE Leap 15.5:syncthing-1.27.3-bp155.2.6.1","openSUSE Leap 15.5:syncthing-relaysrv-1.27.3-bp155.2.6.1","openSUSE Leap 15.6:kubo-0.32.1-bp156.2.3.1","openSUSE Tumbleweed:kubo-0.32.1-1.1","openSUSE Tumbleweed:syncthing-1.27.2-1.1","openSUSE Tumbleweed:syncthing-relaysrv-1.27.2-1.1"]}],"threats":[{"category":"impact","date":"2024-01-11T00:00:48Z","details":"moderate"}],"title":"CVE-2023-49295"}]}