CVE-2016-1238
Find out more about CVE-2016-1238 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 6.2 |
|---|---|
| Base Metrics | AV:L/AC:H/Au:N/C:C/I:C/A:C |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.7 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-perl524-perl | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-perl524-perl-CPAN | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | perl516-perl | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-perl520-perl | Will not fix |
| Red Hat Enterprise Linux 7 | perl | Will not fix |
| Red Hat Enterprise Linux 6 | perl | Will not fix |
| Red Hat Enterprise Linux 5 | perl | Will not fix |
Acknowledgements
Red Hat would like to thank the Perl project for reporting this issue. Upstream acknowledges John Lightsey (cPanel Security Team) and Todd Rinaldo (cPanel Security Team) as the original reporters.Mitigation
The following examples will remove '.' from the module path :
RHEL6 and above :
Create a file /usr/local/share/perl5/sitecustomize.pl containing the line "pop @INC if $INC[-1] eq '.';"
RHEL5:
Create a perl module with the same code in a BEGIN block, and use the 'PERL5OPT=-m<module-name>' environment variable to load it before execution of a perl program.
