CVE-2015-8710 Memory corruption in n/a

Critical 9.8 Published Updated

Attackers can trigger out-of-bounds heap access via unclosed HTML comments, leading to information disclosure or application crashes in libxml2.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2015-8710?

CVE-2015-8710 is a critical memory corruption vulnerability in Debian Debian Linux, published on 11 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The htmlParseComment function in HTMLparser.c in libxml2 allows attackers to obtain sensitive information, cause a denial of service (out-of-bounds heap memory access and application crash), or possibly have unspecified other impact via an unclosed HTML comment.

Weakness: CWE-119

Which versions are affected by CVE-2015-8710?

It affects 2 products.

Linux distribution packages (30)
libxml2 SUSE:Linux Enterprise Desktop 11 SP3All versions2.7.6-0.37.1
libxml2-python SUSE:Linux Enterprise Desktop 11 SP3All versions2.7.6-0.37.4
libxml2 SUSE:Linux Enterprise Desktop 11 SP4All versions2.7.6-0.37.1
libxml2-python SUSE:Linux Enterprise Desktop 11 SP4All versions2.7.6-0.37.4
libxml2 SUSE:Linux Enterprise Desktop 12All versions2.9.1-17.1
python-libxml2 SUSE:Linux Enterprise Desktop 12All versions2.9.1-17.1
libxml2 SUSE:Linux Enterprise Desktop 12 SP1All versions2.9.1-17.1
python-libxml2 SUSE:Linux Enterprise Desktop 12 SP1All versions2.9.1-17.1
libxml2 SUSE:Linux Enterprise Server 11 SP3All versions2.7.6-0.37.1
libxml2-python SUSE:Linux Enterprise Server 11 SP3All versions2.7.6-0.37.4
libxml2 SUSE:Linux Enterprise Server 11 SP3-TERADATAAll versions2.7.6-0.37.1
libxml2-python SUSE:Linux Enterprise Server 11 SP3-TERADATAAll versions2.7.6-0.37.4
libxml2 SUSE:Linux Enterprise Server 11 SP4All versions2.7.6-0.37.1
libxml2-python SUSE:Linux Enterprise Server 11 SP4All versions2.7.6-0.37.4
libxml2 SUSE:Linux Enterprise Server 12All versions2.9.1-17.1
python-libxml2 SUSE:Linux Enterprise Server 12All versions2.9.1-17.1
libxml2 SUSE:Linux Enterprise Server 12 SP1All versions2.9.1-17.1
python-libxml2 SUSE:Linux Enterprise Server 12 SP1All versions2.9.1-17.1
libxml2 SUSE:Linux Enterprise Server for SAP Applications 11 SP3All versions2.7.6-0.37.1
libxml2-python SUSE:Linux Enterprise Server for SAP Applications 11 SP3All versions2.7.6-0.37.4
libxml2 SUSE:Linux Enterprise Server for SAP Applications 11 SP4All versions2.7.6-0.37.1
libxml2-python SUSE:Linux Enterprise Server for SAP Applications 11 SP4All versions2.7.6-0.37.4
libxml2 SUSE:Linux Enterprise Server for SAP Applications 12All versions2.9.1-17.1
python-libxml2 SUSE:Linux Enterprise Server for SAP Applications 12All versions2.9.1-17.1
libxml2 SUSE:Linux Enterprise Server for SAP Applications 12 SP1All versions2.9.1-17.1
python-libxml2 SUSE:Linux Enterprise Server for SAP Applications 12 SP1All versions2.9.1-17.1
libxml2 SUSE:Linux Enterprise Software Development Kit 11 SP3All versions2.7.6-0.37.1
libxml2 SUSE:Linux Enterprise Software Development Kit 11 SP4All versions2.7.6-0.37.1
libxml2 SUSE:Linux Enterprise Software Development Kit 12All versions2.9.1-17.1
libxml2 SUSE:Linux Enterprise Software Development Kit 12 SP1All versions2.9.1-17.1

Products include Debian Debian Linux, Xmlsoft Libxml2.

How do I fix CVE-2015-8710?

Apply the vendor's patch.

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

Is CVE-2015-8710 being exploited?

There is no known exploitation of CVE-2015-8710 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-8710, ECHO-0e71-6ded-84c5, GHSA-v7gh-6vm2-wvxm, SUSE-SU-2016:0178-1, SUSE-SU-2016:0187-1, UBUNTU-CVE-2015-8710.

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