CVE-2019-5163
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductShadowsocks-libev
PublishedDec 3, 2019
First seenDec 3, 2019
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| shadowsocks shadowsocks-libev | 3.3.2 | — |
| opensuse backports | sle-15 | — |
| opensuse leap | 15.1 | — |
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