Medium severity · published Jul 16, 2019
CVE-2019-13617
njs through 0.3.3, used in NGINX, has a heap-based buffer over-read in nxt_vsprintf in nxt/nxt_sprintf.c during error handling, as demonstrated by an njs_regexp_literal call that…
6.5
CVSS
1.3%
EPSS
No
On KEV
Description
njs through 0.3.3, used in NGINX, has a heap-based buffer over-read in nxt_vsprintf in nxt/nxt_sprintf.c during error handling, as demonstrated by an njs_regexp_literal call that leads to an njs_parser_lexer_error call and then an njs_parser_scope_error call.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NJ
Njs · F5
through 0.3.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13617
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13617
Permissions Required
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093
Exploit
https://github.com/nginx/njs/issues/174
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