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CVE-2019-25646

CRITICALCVSS 9.3/10EPSS 0.91%

Last modified

CVE-2019-25646 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. Tabs Mail Carrier 2.5.1 contains a buffer overflow vulnerability in the MAIL FROM SMTP command that allows remote attackers to execute arbitrary code by sending a crafted MAIL FROM parameter. Attackers can connect to the SMTP service on port 25 and send a malicious MAIL FROM command with an oversized buffer to overwrite the EIP register and execute a bind shell payload.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

Tabs Mail Carrier 2.5.1 contains a buffer overflow vulnerability in the MAIL FROM SMTP command that allows remote attackers to execute arbitrary code by sending a crafted MAIL FROM parameter. Attackers can connect to the SMTP service on port 25 and send a malicious MAIL FROM command with an oversized buffer to overwrite the EIP register and execute a bind shell payload.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0
9.3/10

CVSS:4.0/AV:N/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

EPSS Probability
0.91%

55.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TabslabMailcarrier2.5.1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2019-25646?
Tabs Mail Carrier 2.5.1 contains a buffer overflow vulnerability in the MAIL FROM SMTP command that allows remote attackers to execute arbitrary code by sending a crafted MAIL FROM parameter. Attackers can connect to the SMTP service on port 25 and send a malicious MAIL FROM command with an oversized buffer to overwrite the EIP register and execute a bind shell payload.
How severe is CVE-2019-25646?
CVE-2019-25646 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2019-25646?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-25646?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST