libxml2 up to 2.9.4 xmlmemory.c XML File out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in libxml2 up to 2.9.4. This vulnerability affects unknown code of the file xmlmemory.c. The manipulation as part of XML File results in out-of-bounds write. This vulnerability is reported as CVE-2017-5130. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in libxml2 up to 2.9.4 (Document Processing Software). Affected is an unknown part of the file xmlmemory.c. The manipulation as part of a XML File leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An integer overflow in xmlmemory.c in libxml2 before 2.9.5, as used in Google Chrome prior to 62.0.3202.62 and other products, allowed a remote attacker to potentially exploit heap corruption via a crafted XML file.

The bug was discovered 10/17/2017. The weakness was disclosed 02/07/2018 by Kushal Arvind Shah (xisigr) with Fortinet's FortiGuard Labs (Website). The advisory is available at bugzilla.gnome.org. This vulnerability is traded as CVE-2017-5130 since 01/02/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104063 (FreeBSD : chromium -- multiple vulnerabilities (a692bffe-b6ad-11e7-a1c2-e8e0b747a45a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236535 (Red Hat Update for chromium-browser (RHSA-2017:2997)).

Upgrading to version 2.9.5 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104063), EUVD (EUVD-2017-14239) and SecurityFocus (BID 101482†). The entries VDB-112940, VDB-112941, VDB-112942 and VDB-112943 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Google Chrome

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 104063
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (a692bffe-b6ad-11e7-a1c2-e8e0b747a45a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800562
OpenVAS Name: Google Chrome Security Updates(stable-channel-update-for-desktop-2017-10)-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libxml2 2.9.5
Patch: git.gnome.org

Timelineinfo

01/02/2017 🔍
10/17/2017 +288 days 🔍
10/18/2017 +1 days 🔍
10/21/2017 +3 days 🔍
10/23/2017 +2 days 🔍
02/07/2018 +107 days 🔍
02/07/2018 +0 days 🔍
02/08/2018 +1 days 🔍
12/04/2025 +2856 days 🔍

Sourcesinfo

Advisory: RHSA-2017:2997
Researcher: Kushal Arvind Shah (xisigr)
Organization: Fortinet's FortiGuard Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5130 (🔍)
GCVE (CVE): GCVE-0-2017-5130
GCVE (VulDB): GCVE-100-112962
EUVD: 🔍

OVAL: 🔍

SecurityFocus: 101482 - Google Chrome Prior to 62.0.3202.62 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/08/2018 07:02
Updated: 12/04/2025 12:13
Changes: 02/08/2018 07:02 (78), 01/02/2020 16:00 (8), 02/06/2023 08:14 (5), 12/04/2025 00:50 (17), 12/04/2025 12:13 (1)
Complete: 🔍
Cache ID: 216::103

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