CVEvulnerability
CVE-2019-5163
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-12-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-306
Description
An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a local_address, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability.
Affected configurations
• shadowsocks shadowsocks-libev 3.3.2
• opensuse backports sle-15
• opensuse leap 15.1
Related
Weakness · CWE (1)
- CWE-306 Missing Authentication for Critical Functionality weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html Mailing List, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956 Exploit, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html Mailing List, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956 Exploit, Third Party Advisory