libxml2 HTMLparser.c htmlParseComment memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in libxml2. This impacts the function htmlParseComment of the file HTMLparser.c. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2015-8710. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in libxml2 (Document Processing Software) (affected version unknown). It has been declared as critical. Affected by this vulnerability is the function htmlParseComment of the file HTMLparser.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared 04/11/2016 by Mike (Website). The advisory is shared at openwall.com. This vulnerability is known as CVE-2015-8710 since 12/30/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 87223 (CentOS 6 : libxml2 (CESA-2015:2549)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351588 (Amazon Linux Security Advisory for libxml2: ALAS2-2019-1220).

Upgrading 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 (87223) and SecurityFocus (BID 79811†). The entries VDB-77250, VDB-79257, VDB-79258 and VDB-79334 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Memory corruption
CWE: 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: 87223
Nessus Name: CentOS 6 : libxml2 (CESA-2015:2549)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for libxml2 USN-2875-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: git.gnome.org

Timelineinfo

12/06/2015 🔍
12/07/2015 +1 days 🔍
12/30/2015 +23 days 🔍
12/30/2015 +0 days 🔍
04/11/2016 +102 days 🔍
04/11/2016 +0 days 🔍
04/12/2016 +1 days 🔍
07/13/2022 +2283 days 🔍

Sourcesinfo

Advisory: RHSA-2015:2549
Researcher: Mike
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8710 (🔍)
GCVE (CVE): GCVE-0-2015-8710
GCVE (VulDB): GCVE-100-82069
SecurityFocus: 79811 - libxml2 CVE-2015-8710 Out-of-bounds Memory Access Vulnerability

See also: 🔍

Entryinfo

Created: 04/12/2016 11:03
Updated: 07/13/2022 14:37
Changes: 04/12/2016 11:03 (63), 10/03/2018 10:40 (15), 07/13/2022 14:32 (5), 07/13/2022 14:37 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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