CVE-2017-18199 Null dereference in n/a

Medium 6.5 Published Updated

Remote attackers can cause a denial of service via a crafted ISO file due to a NULL pointer dereference in GNU libcdio.

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-2017-18199?

CVE-2017-18199 is a medium-severity vulnerability in n/a, published on 24 Feb 2018. 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

realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (NULL Pointer Dereference) via a crafted iso file.

Weakness: CWE-476

Which versions are affected by CVE-2017-18199?

It affects 1 product.

Linux distribution packages (5)
libcdio SUSE:Linux Enterprise Point of Sale 11 SP3All versions0.80-8.3.5
libcdio SUSE:Linux Enterprise Server 12 SP5All versions0.90-6.6.5
libcdio SUSE:Linux Enterprise Server for SAP Applications 12 SP5All versions0.90-6.6.5
libcdio SUSE:Linux Enterprise Software Development Kit 12 SP5All versions0.90-6.6.5
libcdio SUSE:Linux Enterprise Workstation Extension 12 SP5All versions0.90-6.6.5

Products include Gnu Libcdio.

How do I fix CVE-2017-18199?

Upgrade to a fixed version.

Is CVE-2017-18199 being exploited?

There is no known exploitation of CVE-2017-18199 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-18199, GHSA-g22c-3rrr-vfp7, SUSE-SU-2020:14498-1, SUSE-SU-2020:3023-1, UBUNTU-CVE-2017-18199.

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