CVE-2019-13617 Memory corruption in n/a
A heap-based buffer over-read in the njs library used by NGINX allows attackers to cause denial of service or disclose sensitive memory contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-13617?
CVE-2019-13617 is a medium-severity memory corruption vulnerability in n/a, published on 16 Jul 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2019-13617?
It affects 1 product.
Products include F5 Njs.
How do I fix CVE-2019-13617?
No fix has been published for CVE-2019-13617 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-13617 being exploited?
There is no known exploitation of CVE-2019-13617 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qp8g-8mj4-549c.