8.4high

CVE-2018-25299

Prime95 29.4b8 Local Buffer Overflow via SEH

Published 6 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

Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through the optional proxy hostname field in the PrimeNet connection settings to trigger the overflow and execute system commands.

CISA SSVC assessment

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

Exploit prediction (EPSS)

0.16% 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

  • Mersenne Prime95

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

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