CVE-2010-4657 Information

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Feb 14, 2021 cve

Description

PHP5 before 5.4.4 allows passing invalid utf-8 strings via the xmlTextWriterWriteAttribute which are then misparsed by libxml2. This results in memory leak into the resulting output.

CVSS Vector

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

Reference

https://access.redhat.com/security/cve/cve-2010-4657 https://bugs.launchpad.net/php/2Bbug/655442 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657 https://security-tracker.debian.org/tracker/CVE-2010-4657

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5