CVE-2019-10193 Memory corruption in redis
An attacker can trigger a stack buffer overflow in Redis hyperloglog structures via SETRANGE, potentially leading to code execution or service crash.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-10193?
CVE-2019-10193 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 11 Jul 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A stack-buffer overflow vulnerability was found in the Redis hyperloglog data structure versions 3.x before 3.2.13, 4.x before 4.0.14 and 5.x before 5.0.4. By corrupting a hyperloglog using the SETRANGE command, an attacker could cause Redis to perform controlled increments of up to 12 bytes past the end of a stack-allocated buffer.
Which versions are affected by CVE-2019-10193?
It affects 9 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Oracle Communications Operations Monitor, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server Aus and 3 more.
How do I fix CVE-2019-10193?
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-2019-10193 being exploited?
There is no known exploitation of CVE-2019-10193 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2019-10193, CLEANSTART-2026-TC31966, DEBIAN-CVE-2019-10193, GHSA-7c9p-23p9-r8x2.