It was found that evince did not properly sanitize the command line which is run to untar Comic Book Tar (CBT) files, thereby allowing command injection. A specially crafted CBT file, when opened by evince or evince-thumbnailer, could execute arbitrary commands in the context of the evince program.
Find out more about CVE-2017-1000083 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS3 Base Score | 7.1 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | Required |
Scope | Changed |
Confidentiality | Low |
Integrity Impact | Low |
Availability Impact | Low |
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux 7 (evince) | RHSA-2017:2388 | 2017-08-01 |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 6 | evince | Not affected |
Red Hat Enterprise Linux 5 | evince | Not affected |
- Disabling evince-thumbnailer to render icons will reduce the attack surface (removing /usr/share/thumbnailers/evince.thumbnailer).
- SELinux in enforcing mode partially restricts evince-thumbnailer