CVE-2017-15650 Memory corruption in n/a
A buffer overflow in musl libc allows attackers to execute arbitrary code or cause denial of service via crafted DNS replies.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-15650?
CVE-2017-15650 is a high-severity memory corruption vulnerability in n/a, published on 19 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.
Weakness: CWE-119
Which versions are affected by CVE-2017-15650?
It affects 1 product.
Products include Musl-Libc Musl.
How do I fix CVE-2017-15650?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-15650 being exploited?
There is no known exploitation of CVE-2017-15650 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2017-15650, DEBIAN-CVE-2017-15650, GHSA-p2mj-x9rf-q85j, UBUNTU-CVE-2017-15650.