CVE-2017-16931

Published: Nov 23, 2017 Last Modified: Apr 20, 2025 EU-VD ID: EUVD-2017-8101 Aliases: GSD-2017-16931
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0165
Percentile
0,8th
Updated

EPSS Score Trend (Last 90 Days)

119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Stable
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Memory Read Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory)
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
Application

Libxml2 by Xmlsoft

Product Information
Vendor Xmlsoft
Product Libxml2
Version Range Affected
To 2.9.4 (inclusive)
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.gnome.org/show_bug.cgi?id=766956
Permissions Required
https://bugzilla.gnome.org/show_bug.cgi?id=766956
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c5…
Patch Third Party Advisory
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
https://lists.debian.org/debian-lts-announce/2017/11/msg000…
https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com//security-alerts/cpujul2021.html
http://xmlsoft.org/news.html
Release Notes Vendor Advisory
http://xmlsoft.org/news.html
https://bugzilla.gnome.org/show_bug.cgi?id=766956
Permissions Required
https://bugzilla.gnome.org/show_bug.cgi?id=766956
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c5…
Patch Third Party Advisory
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
https://lists.debian.org/debian-lts-announce/2017/11/msg000…
https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com//security-alerts/cpujul2021.html
http://xmlsoft.org/news.html
Release Notes Vendor Advisory
http://xmlsoft.org/news.html