CVE-2017-14867
The MITRE CVE dictionary describes this issue as:
Git before 2.10.5, 2.11.x before 2.11.4, 2.12.x before 2.12.5, 2.13.x before 2.13.6, and 2.14.x before 2.14.2 uses unsafe Perl scripts to support subcommands such as cvsserver, which allows attackers to execute arbitrary OS commands via shell metacharacters in a module name. The vulnerable code is reachable via git-shell even without CVS support.
Find out more about CVE-2017-14867 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.8 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-git29-git | Will not fix |
| Red Hat Mobile Application Platform On-Premise 4 | fh-scm | Not affected |
| Red Hat JBoss Fuse Service Works 6 | jgit | Not affected |
| Red Hat JBoss Fuse 6 | camel | Not affected |
| Red Hat JBoss Data Virtualization 6 | jgit | Not affected |
| Red Hat JBoss BRMS 6 | jgit | Not affected |
| Red Hat JBoss BPMS 6 | jgit | Not affected |
| Red Hat JBoss A-MQ 6 | fabric8 | Not affected |
| Red Hat Enterprise Linux 7 | git | Will not fix |
| Red Hat Enterprise Linux 6 | git | Will not fix |
Mitigation
In case you do not rely on the commands offered by the "-cvs" subpackage (for example "git cvsserver" or "git cvsimport") on RHEL or RHSCL, you can uninstall the git "-cvs" subpackage.
CVE description copyright © 2017, The MITRE Corporation