Home/CVE/PHP5 before 5.4.4 allows passing invalid utf-8 strings via the xmlTextWriterWriteAttribute, which are then misparsed by
CVE

CVE-2010-4657

PHP5 before 5.4.4 allows passing invalid utf-8 strings via the xmlTextWriterWriteAttribute, which are then misparsed by

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.

HIGH · CVSS 7.5 EPSS 0.0157
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-772Missing Release of Resource after Effective Lifetime
▤

Affected Products & Versions

3
php>= 5.0.0 and < 5.4.4
redhat enterprise linuxall versions
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Nov 2019 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/cve-2010-4657Third Party Advisory
https://bugs.launchpad.net/php/%2Bbug/655442Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657Issue TrackingThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2010-4657Third Party Advisory
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