CVE-2017-15804 Memory corruption in n/a
A buffer overflow in glibc's glob function allows attackers to execute arbitrary code or cause denial of service via crafted user names.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-15804?
CVE-2017-15804 is a critical memory corruption vulnerability in Gnu Glibc, published on 22 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.
Weakness: CWE-119
Which versions are affected by CVE-2017-15804?
It affects 1 product.
Products include Gnu Glibc.
How do I fix CVE-2017-15804?
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-2017-15804 being exploited?
There is no known exploitation of CVE-2017-15804 in the wild and no public exploit code.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2017-15804, GHSA-3r84-39rf-qwh3, UBUNTU-CVE-2017-15804.