UBUNTU-CVE-2019-5163

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Source
https://ubuntu.com/security/CVE-2019-5163
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5163.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2019-5163
Upstream
Published
2019-12-03T22:15:00Z
Modified
2025-07-16T08:24:15.226234Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:18.04:LTS / shadowsocks-libev

Package

Name
shadowsocks-libev
Purl
pkg:deb/ubuntu/shadowsocks-libev@3.1.3+ds-1ubuntu2?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.0.8+ds-2
3.1.0+ds-3
3.1.0+ds-4
3.1.0+ds-5
3.1.1+ds-1
3.1.1+ds-2
3.1.1+ds-3
3.1.3+ds-1ubuntu1
3.1.3+ds-1ubuntu2

Ubuntu:20.04:LTS / shadowsocks-libev

Package

Name
shadowsocks-libev
Purl
pkg:deb/ubuntu/shadowsocks-libev@3.3.3+ds-3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.3+ds-3

Affected versions

3.*

3.3.1+ds-1
3.3.2+ds-1
3.3.3+ds-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libshadowsocks-libev-dev",
            "binary_version": "3.3.3+ds-3"
        },
        {
            "binary_name": "libshadowsocks-libev2",
            "binary_version": "3.3.3+ds-3"
        },
        {
            "binary_name": "libshadowsocks-libev2-dbgsym",
            "binary_version": "3.3.3+ds-3"
        },
        {
            "binary_name": "shadowsocks-libev",
            "binary_version": "3.3.3+ds-3"
        },
        {
            "binary_name": "shadowsocks-libev-dbgsym",
            "binary_version": "3.3.3+ds-3"
        }
    ]
}