Critical severity · published May 13, 2019
CVE-2019-10053
An issue was discovered in Suricata 4.1.x before 4.1.4
9.8
CVSS
1.7%
EPSS
No
On KEV
Description
An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
Suricata · Suricata-ids
4.1.0 before 4.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-10053
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-10053
Third Party Advisory
https://lists.openinfosecfoundation.org/pipermail/oisf-announce/
Patch
https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/
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