CVE-2019-5600 Memory corruption in FreeBSD

Critical 9.8 Published Updated

A buffer overflow in the FreeBSD iconv implementation allows attackers to cause denial of service or execute arbitrary code.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-5600?

CVE-2019-5600 is a critical memory corruption vulnerability in Freebsd Freebsd, published on 3 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In FreeBSD 12.0-STABLE before r349622, 12.0-RELEASE before 12.0-RELEASE-p7, 11.3-PRERELEASE before r349624, 11.3-RC3 before 11.3-RC3-p1, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in iconv implementation may allow an attacker to write past the end of an output buffer. Depending on the implementation, an attacker may be able to create a denial of service, provoke incorrect program behavior, or induce a remote code execution.

Weakness: CWE-787

Which versions are affected by CVE-2019-5600?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2019-5600?

No fix has been published for CVE-2019-5600 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-5600 being exploited?

There is no known exploitation of CVE-2019-5600 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-7834-45vp-q83w.

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