Vulnerability Details : 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 leads to an njs_parser_lexer_error call and then an njs_parser_scope_error call.
Exploit prediction scoring system (EPSS) score for CVE-2019-13617
Probability of exploitation activity in the next 30 days: 0.10%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 40 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-13617
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-13617
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-13617
-
https://github.com/nginx/njs/issues/174
heap-buffer-overflow in nxt_sprintf.c:429 · Issue #174 · nginx/njs · GitHubExploit;Third Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093
Inloggen - Google AccountsPermissions Required;Third Party Advisory
Products affected by CVE-2019-13617
- cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:*