Apache Xerces-C++ up to 3.1.3 DTD memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apache Xerces-C++ up to 3.1.3. This affects an unknown part of the component DTD Handler. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2016-4463. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Xerces-C++ up to 3.1.3. It has been classified as critical. This affects an unknown code of the component DTD Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in Apache Xerces-C++ before 3.1.4 allows context-dependent attackers to cause a denial of service via a deeply nested DTD.

The weakness was disclosed 07/08/2016 by Brandon Perry (Website). It is possible to read the advisory at debian.org. This vulnerability is uniquely identified as CVE-2016-4463 since 05/02/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 91892 (Debian DSA-3610-1 : xerces-c - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171664 (SUSE Enterprise Linux Security Update for Xerces-c (SUSE-SU-2018:3277-1)).

Upgrading to version 3.1.4 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 (91892) and SecurityFocus (BID 91501†). The entry VDB-113955 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: 91892
Nessus Name: Debian DSA-3610-1 : xerces-c - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 870760
OpenVAS Name: Fedora Update for xerces-c FEDORA-2016-d2d6890690
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Xerces-C++ 3.1.4

Timelineinfo

05/02/2016 🔍
06/29/2016 +58 days 🔍
06/29/2016 +0 days 🔍
06/30/2016 +1 days 🔍
07/08/2016 +8 days 🔍
07/08/2016 +0 days 🔍
07/09/2016 +1 days 🔍
09/01/2022 +2245 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: RHSA-2018:3335
Researcher: Brandon Perry
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4463 (🔍)
GCVE (CVE): GCVE-0-2016-4463
GCVE (VulDB): GCVE-100-88827

OVAL: 🔍

SecurityFocus: 91501 - Apache Xerces-C CVE-2016-4463 Stack Buffer Overflow Vulnerability
SecurityTracker: 1036211

See also: 🔍

Entryinfo

Created: 07/09/2016 11:48
Updated: 09/01/2022 08:16
Changes: 07/09/2016 11:48 (65), 02/20/2019 11:35 (14), 09/01/2022 08:16 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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