IM
IronMonkey Threat Research

CVE-2017-9050 HIGH

Published: 2017-05-18 | Last Modified: 2026-06-17 | Status: Modified

Description

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.

Additional Descriptions (1)

libxml2 20904-GIT versión 2.9.4-16-g0741801, es vulnerable a una lectura excesiva de búfer en la región heap de la memoria en la función xmlDictAddString en el archivo dict.c. Esta vulnerabilidad causa que los programas que utilizan libxml2, como PHP, se bloqueen. Esta vulnerabilidad se presenta debido a una corrección incompleta para CVE-2016-1839.

CVSS Metrics

Base Score: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Type: Secondary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-125
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-122

Affected Products

Vendor Product Version Update Type
xmlsoft libxml2 2.9.4 <built-in method update of dict object at 0x7fd39c40aa00> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:xmlsoft:libxml2:2.9.4:*:*:*:*:*:*:*

References