XML-LibXML up to 2.0129 on Perl Argument use after free

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

Summaryinfo

A vulnerability was found in XML-LibXML up to 2.0129 on Perl. It has been classified as critical. Affected by this vulnerability is an unknown functionality. The manipulation as part of Argument leads to use after free. This vulnerability is referenced as CVE-2017-10672. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in XML-LibXML up to 2.0129 on Perl. It has been rated as critical. This issue affects an unknown code block. The manipulation as part of a Argument leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free in the XML-LibXML module through 2.0129 for Perl allows remote attackers to execute arbitrary code by controlling the arguments to a replaceChild call.

The bug was discovered 04/15/2018. The weakness was published 06/29/2017 (Website). The advisory is shared at rt.cpan.org. The identification of this vulnerability is CVE-2017-10672 since 06/28/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 101916 (Fedora 26 : 1:perl-XML-LibXML (2017-3d5354d30f)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170803 (OpenSUSE Security Update for perl-XML-LibXML (openSUSE-SU-2018:0153-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (101916). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

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: Use after free
CWE: CWE-416 / 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: 101916
Nessus Name: Fedora 26 : 1:perl-XML-LibXML (2017-3d5354d30f)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for perl-XML-LibXML FEDORA-2017-790ff602a6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/28/2017 🔍
06/29/2017 +1 days 🔍
06/29/2017 +0 days 🔍
06/29/2017 +0 days 🔍
07/23/2017 +24 days 🔍
07/24/2017 +1 days 🔍
04/15/2018 +265 days 🔍
12/09/2022 +1699 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-3d5354d30f
Status: Not defined

CVE: CVE-2017-10672 (🔍)
GCVE (CVE): GCVE-0-2017-10672
GCVE (VulDB): GCVE-100-102905

OVAL: 🔍

Entryinfo

Created: 06/29/2017 18:04
Updated: 12/09/2022 13:45
Changes: 06/29/2017 18:04 (71), 10/21/2019 09:42 (3), 12/09/2022 13:40 (4), 12/09/2022 13:45 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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