ext/session/session.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly maintain a certain hash data structure, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via vectors related to session deserialization.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-6290 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 4.4 |
---|---|
Base Metrics | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Access Vector | Local |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
CVSS3 Base Score | 7 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Attack Vector | Local |
Attack Complexity | High |
Privileges Required | Low |
User Interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity Impact | High |
Availability Impact | High |
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 |