High severity · published Aug 13, 2019
CVE-2019-14993
Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding,…
7.5
CVSS
2.3%
EPSS
No
On KEV
Description
Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.
CVSS vector
CVSS:3.0/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)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IS
Istio · Istio
before 1.1.13; 1.2.0 before 1.2.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-14993
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-14993
Vendor Advisory
https://discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383
Exploit
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164
Exploit
https://github.com/envoyproxy/envoy/issues/7728
Vendor Advisory
https://istio.io/blog/2019/istio-security-003-004/
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