Buffer overflow in Arm Mbed_tls
CVE-2018-0487
ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature ver…
Vulnerability class: Buffer Overflow
EPSS: 0.033 (87.2th 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
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@debian.org (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@debian.org (x_refsource_UBUNTU, vendor-advisory)
Frequently asked questions
- What is CVE-2018-0487?
- CVE-2018-0487 is a critical-severity vulnerability in Arm Mbed_tls, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-02-13.
- How severe is CVE-2018-0487?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-0487 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.