Buffer overflow in Arm Mbed_tls

CVE-2018-0488

ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0, when the truncated HMAC extension and CBC are used, allows remote attackers to execute arbitrary code or cause a denial of service (heap corruption) via a crafted application pac…

Vulnerability class: Buffer Overflow

EPSS: 0.049 (91.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Arm Mbed_tls
  • Debian Debian_linux — versions 8.0, 9.0
  • N/a Arm Mbed Tls Before 1.3.22, 2.1.10, And 2.7.0 — versions ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-0488?
CVE-2018-0488 is a critical-severity vulnerability in Arm Mbed_tls, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-02-13.
How severe is CVE-2018-0488?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-0488 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.