8.4high

CVE-2016-20037

xwpe 1.5.30a-2.1 Stack-based Buffer Overflow

Published 7 mo ago · modified 4 mo ago · JSON

CVSS
8.4
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.2%
percentile 5%
Public exploits
0
none known

Summary

xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.

CISA SSVC assessment

Exploitation
Proof of concept public
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction (EPSS)

0.15% probability of exploitation in the next 30 days, higher than 5% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA4.08.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA3.18.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA4.08.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA3.18.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Identicalsoftware xWPE

Classification

Weakness

References

Sources

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