CVE-2020-13143 Information disclosure in n/a
Attackers can trigger an out-of-bounds read in the Linux kernel USB gadget driver by exploiting a null byte handling flaw, potentially disclosing sensitive memory.
- 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
- Available
What is CVE-2020-13143?
CVE-2020-13143 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 18 May 2020. 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
gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 through 5.6.13 relies on kstrdup without considering the possibility of an internal '\0' value, which allows attackers to trigger an out-of-bounds read, aka CID-15753588bcd4.
Weakness: CWE-125
Which versions are affected by CVE-2020-13143?
It affects 24 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Netapp A700s Firmware, Netapp Active Iq Unified Manager, Netapp Bootstrap Os and 18 more.
How do I fix CVE-2020-13143?
Apply the vendor's patch.
Is CVE-2020-13143 being exploited?
There is no known exploitation of CVE-2020-13143 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-13143, GHSA-q5ch-c53x-9gxj, UBUNTU-CVE-2020-13143.