High severity · published Jul 29, 2019
CVE-2019-13126
An integer overflow in NATS Server before 2.0.2 allows a remote attacker to crash the server by sending a crafted request
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
An integer overflow in NATS Server before 2.0.2 allows a remote attacker to crash the server by sending a crafted request. If authentication is enabled, then the remote attacker must have first authenticated.
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)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Nats-server · Linuxfoundation
before 2.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13126
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13126
Patch
https://github.com/nats-io/nats-server/pull/1053
Broken Link
https://www.twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126/
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