CVE-2015-8838: Medium severity php vulnerability

Published May 16, 2016
·
Updated

ext/mysqlnd/mysqlnd.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.

Affected Software

60 affected components
debian/php5
PHP PHP=5.5.0
PHP PHP=5.5.0-alpha1
PHP PHP=5.5.0-alpha2
PHP PHP=5.5.0-alpha3
PHP PHP=5.5.0-alpha4
PHP PHP=5.5.0-alpha5
PHP PHP=5.5.0-alpha6
PHP PHP=5.5.0-beta1
PHP PHP=5.5.0-beta2
PHP PHP=5.5.0-beta3
PHP PHP=5.5.0-beta4
PHP PHP=5.5.0-rc1
PHP PHP=5.5.0-rc2
PHP PHP=5.5.1
PHP PHP=5.5.2
PHP PHP=5.5.3
PHP PHP=5.5.4
PHP PHP=5.5.5
PHP PHP=5.5.6
PHP PHP=5.5.7
PHP PHP=5.5.8
PHP PHP=5.5.9
PHP PHP=5.5.10
PHP PHP=5.5.11
PHP PHP=5.5.12
PHP PHP=5.5.13
PHP PHP=5.5.14
PHP PHP=5.5.15
PHP PHP=5.5.16
PHP PHP=5.5.17
PHP PHP=5.5.18
PHP PHP=5.5.19
PHP PHP=5.5.20
PHP PHP=5.5.21
PHP PHP=5.5.22
PHP PHP=5.5.23
PHP PHP=5.5.24
PHP PHP=5.5.25
PHP PHP=5.5.26
PHP PHP=5.6.0-alpha1
PHP PHP=5.6.0-alpha2
PHP PHP=5.6.0-alpha3
PHP PHP=5.6.0-alpha4
PHP PHP=5.6.0-alpha5
PHP PHP=5.6.0-beta1
PHP PHP=5.6.0-beta2
PHP PHP=5.6.0-beta3
PHP PHP=5.6.0-beta4
PHP PHP=5.6.1
PHP PHP=5.6.2
PHP PHP=5.6.3
PHP PHP=5.6.4
PHP PHP=5.6.5
PHP PHP=5.6.6
PHP PHP=5.6.7
PHP PHP=5.6.8
PHP PHP=5.6.9
PHP PHP=5.6.10
PHP PHP<=5.4.42

Event History

May 16, 2016
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
Jan 11, 2024
Data Sourced
via Launchpad·10:13 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·01:10 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2015-8838?

CVE-2015-8838 is considered a medium-risk vulnerability due to its potential for man-in-the-middle attacks.

2

How do I fix CVE-2015-8838?

To mitigate CVE-2015-8838, upgrade to PHP versions 5.4.43, 5.5.27, 5.6.11 or later.

3

What does CVE-2015-8838 affect?

CVE-2015-8838 affects versions of PHP prior to 5.4.43, 5.5.27, and 5.6.11.

4

What is a cleartext-downgrade attack related to CVE-2015-8838?

A cleartext-downgrade attack allows attackers to intercept and manipulate data by forcing a connection downgrade to an unencrypted channel.

5

Is CVE-2015-8838 related to any other vulnerabilities?

Yes, CVE-2015-8838 is related to CVE-2015-3152, which also involves SSL security issues.

Contact

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