ext/session/session.c in PHP before 5.6.25 and 7.x before 7.0.10 skips invalid session names in a way that triggers incorrect parsing, which allows remote attackers to inject arbitrary-type session data by leveraging control of a session name, as demonstrated by object injection.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-7125 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 4.3 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | Partial |
Availability Impact | None |
CVSS3 Base Score | 7.5 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | High |
Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Errata | Release Date |
---|---|---|
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-php56-php) | RHSA-2016:2750 | 2016-11-15 |
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-php56-php) | RHSA-2016:2750 | 2016-11-15 |
Platform | Package | State |
---|---|---|
Red Hat Software Collections for Red Hat Enterprise Linux | php55-php | Will not fix |
Red Hat Software Collections for Red Hat Enterprise Linux | php54-php | Will not fix |
Red Hat Enterprise Linux 7 | php | Will not fix |
Red Hat Enterprise Linux 6 | php | Will not fix |
Red Hat Enterprise Linux 5 | php53 | Will not fix |
Red Hat Enterprise Linux 5 | php | Will not fix |