Input validation error in libexpat expat



| Updated: 2020-08-04
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-1283
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 expat
Universal components / Libraries / Libraries used by multiple products

Vendor libexpat.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU33808

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-1283

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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

CPE2.3 External links

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


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.



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