Vulnerability identifier: #VU33808

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-1283

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
expat
Universal components / Libraries / Libraries used by multiple products

Vendor: libexpat.org

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Multiple integer overflows in the XML_GetBuffer function in Expat through 2.1.0, as used in Google Chrome before 44.0.2403.89 and other products, allow remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted XML data, a related issue to CVE-2015-2716.

Mitigation
Install update from vendor's website.

Vulnerable software versions

expat: 11.0.5

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External links
http://googlechromereleases.blogspot.com/2015/07/stable-channel-update_21.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00010.html
http://rhn.redhat.com/errata/RHSA-2015-1499.html
http://www.debian.org/security/2015/dsa-3315
http://www.debian.org/security/2015/dsa-3318
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.securityfocus.com/bid/75973
http://www.securitytracker.com/id/1033031
http://www.ubuntu.com/usn/USN-2726-1
http://code.google.com/p/chromium/issues/detail?id=492052
http://codereview.chromium.org/1224303003
http://security.gentoo.org/glsa/201603-09
http://security.gentoo.org/glsa/201701-21
http://source.android.com/security/bulletin/2016-11-01.html
http://www.tenable.com/security/tns-2016-20

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.