Medium severity · published May 31, 2018
CVE-2018-5388
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while…
6.5
CVSS
3.9%
EPSS
No
On KEV
Description
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
ST
Strongswan · Strongswan
before 5.6.3 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5388
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5388
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00077.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00001.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00047.html
packetstormsecurity.com
http://packetstormsecurity.com/files/172833/strongSwan-VPN-Charon-Server-Buffer-Overflow.html
Third Party Advisory
http://www.kb.cert.org/vuls/id/338343
Third Party Advisory
http://www.securityfocus.com/bid/104263
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