Permissions, Privileges, and Access Controls in kernel Util-linux
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-2779 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Util-linux Universal components / Libraries / Libraries used by multiple products |
| Vendor | kernel.org |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU39729
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-2779
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local authenticated user to execute arbitrary code.
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
MitigationInstall update from vendor's website.
Vulnerable software versionsUtil-linux: 2.24.2-1
External linkshttp://www.openwall.com/lists/oss-security/2016/02/27/1
http://www.openwall.com/lists/oss-security/2016/02/27/2
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
