CVE-2020-14147 Integer overflow in n/a
Attackers with Lua execution permissions can cause denial of service or bypass sandbox restrictions via integer overflow in Redis.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-14147?
CVE-2020-14147 is a high-severity vulnerability in Debian Debian Linux, published on 15 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An integer overflow in the getnum function in lua_struct.c in Redis before 6.0.3 allows context-dependent attackers with permission to run Lua code in a Redis session to cause a denial of service (memory corruption and application crash) or possibly bypass intended sandbox restrictions via a large number, which triggers a stack-based buffer overflow. NOTE: this issue exists because of a CVE-2015-8080 regression.
Which versions are affected by CVE-2020-14147?
It affects 4 products.
Linux distribution packages (3)
redis SUSE:Package Hub 12 | All versions | 4.0.14-bp151.3.6.1 |
redis SUSE:Package Hub 15 SP1 | All versions | 4.0.14-bp151.3.6.1 |
redis openSUSE:Leap 15.1 | All versions | 4.0.14-bp151.3.6.1 |
Products include Debian Debian Linux, Oracle Communications Operations Monitor, Redislabs Redis, Suse Linux Enterprise.
How do I fix CVE-2020-14147?
Upgrade to a fixed version.
Is CVE-2020-14147 being exploited?
There is no known exploitation of CVE-2020-14147 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2020-14147, AZL-6842, CLEANSTART-2026-NQ97592, DEBIAN-CVE-2020-14147, DSA-4731-1, GHSA-5q54-rrmc-9jrp and 3 more.