CVE-2015-1572 Memory corruption in n/a

Medium 4.6 Published Updated

Local attackers can execute arbitrary code via a heap-based buffer overflow in the libext2fs library when processing crafted block group descriptors.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2015-1572?

CVE-2015-1572 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 24 Feb 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Heap-based buffer overflow in closefs.c in the libext2fs library in e2fsprogs before 1.42.12 allows local users to execute arbitrary code by causing a crafted block group descriptor to be marked as dirty. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0247.

Weakness: CWE-119

Which versions are affected by CVE-2015-1572?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, E2fsprogs Project E2fsprogs.

How do I fix CVE-2015-1572?

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-2015-1572 being exploited?

There is no known exploitation of CVE-2015-1572 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-1572, DLA-162-1, GHSA-6f5v-c85c-6x7f, MGASA-2015-0088, UBUNTU-CVE-2015-1572.

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