Vulnerability Name:

CVE-2010-4657 (CCN-172076)

Assigned:2011-01-27
Published:2011-01-27
Updated:2019-11-20
Summary: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 v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-772
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2010-4657

Source: MISC
Type: Third Party Advisory
https://access.redhat.com/security/cve/cve-2010-4657

Source: MISC
Type: Third Party Advisory
https://bugs.launchpad.net/php/%2Bbug/655442

Source: CCN
Type: Red Hat Bugzilla – Bug 673101
(CVE-2010-4657) - CVE-2010-4657 php: XMLWriter information leak

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657

Source: XF
Type: UNKNOWN
php-cve20104657-dos(172076)

Source: MISC
Type: Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2010-4657

Source: CCN
Type: PHP Web site
PHP

Vulnerable Configuration:Configuration 1:
  • cpe:/a:php:php:*:*:*:*:*:*:*:* (Version >= 5.0.0 and < 5.4.4)

    • Configuration 2:
  • cpe:/o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:php:php:5.4.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20104657000
    V
    		CVE-2010-4657 on Ubuntu 12.04 LTS (precise) - negligible.
    2011-01-25
    oval:com.ubuntu.trusty:def:20104657000
    V
    		CVE-2010-4657 on Ubuntu 14.04 LTS (trusty) - negligible.
    2011-01-25
    BACK
    php php *
    redhat enterprise linux 5.0
    redhat enterprise linux 6.0
    debian debian linux 8.0
    php php 5.4.3