7.8high

CVE-2016-102251 exploit

The sunxi-debug driver in Allwinner 3.4 legacy kernel for H3, A83T and H8 devices allows local users to gain root privileges by sending "ro…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
4.0%
percentile 90%
Public exploits
1
Metasploit

Summary

The sunxi-debug driver in Allwinner 3.4 legacy kernel for H3, A83T and H8 devices allows local users to gain root privileges by sending "rootmydevice" to /proc/sunxi_debug/sunxi_debug.

Exploit prediction (EPSS)

3.95% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

Exploits and detections

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

  • openwall.com /lists/oss-security/2016/10/05/16 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2017/02/15/9 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/93442 · vdb-entry, x_refsource_BID, x_transferred
  • rapid7.com /db/modules/exploit/multi/local/allwinner_backdoor · x_refsource_MISC, x_transferred
  • forum.armbian.com /index.php?/topic/1108-security-alert-for-allwinner-sun8i-h3a83th8/ · x_refsource_CONFIRM, x_transferred
  • irclog.whitequark.org /linux-sunxi/2016-04-29#16314390 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.