High severity · published Dec 3, 2019
CVE-2019-5163
An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2
7.5
CVSS
2.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Backports · Opensuse
sle-15 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
SH
Shadowsocks-libev · Shadowsocks
3.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5163
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5163
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956
More from Backports
9.8
CVE-2020-14983
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow
9.8
CVE-2020-10938
GraphicsMagick before 1.3.35 has an integer overflow and resultant heap-based buffer overflow in HuffmanDecodeImage in magick/compress.c
9.8
CVE-2019-19951
In GraphicsMagick 1.4 snapshot-20190423 Q8, there is a heap-based buffer overflow in the function ImportRLEPixels of coders/miff.c
9.8
CVE-2019-19950
In GraphicsMagick 1.4 snapshot-20190403 Q8, there is a use-after-free in ThrowException and ThrowLoggedException of magick/error.c
9.8
CVE-2018-20177
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory…