Out-of-bounds Read in Arm Mbed TLS
CVE-2018-9988
ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_key_exchange() that could cause a crash on invalid input.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: -0.000
Affected products
- Arm Mbed TLS
- Trustedfirmware Mbed TLS — versions 2.8.0
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/09/msg00029.html (mailing-list, Mailing List, Third Party Advisory)
- github.com/ARMmbed/mbedtls/commit/a1098f81c252b317ad34ea978aea2bc47760b215 (Patch, Third Party Advisory)
- tls.mbed.org/tech-updates/releases/mbedtls-2.8.0-2.7.2-and-2.1.11-released (Release Notes, Vendor Advisory)
- github.com/ARMmbed/mbedtls/commit/027f84c69f4ef30c0693832a6c396ef19e563ca1 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/11/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-9988?
- CVE-2018-9988 is a high-severity vulnerability in Arm Mbed TLS, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2018-04-10.
- How severe is CVE-2018-9988?
- High severity. CVSS v3 base score is 7.5 out of 10.