CVE-2018-9988

moderate-risk
Published 2018-04-10

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.

Do I need to act?

-
0.65% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian Arm

References (10)

Patch https://github.com/ARMmbed/mbedtls/commit/027f84c69f4ef30c0693832a6c396ef19e563c...
Patch https://github.com/ARMmbed/mbedtls/commit/a1098f81c252b317ad34ea978aea2bc47760b2...
Mailing List https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
Mailing List https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
Release Notes https://tls.mbed.org/tech-updates/releases/mbedtls-2.8.0-2.7.2-and-2.1.11-releas...
Patch https://github.com/ARMmbed/mbedtls/commit/027f84c69f4ef30c0693832a6c396ef19e563c...
Patch https://github.com/ARMmbed/mbedtls/commit/a1098f81c252b317ad34ea978aea2bc47760b2...
Mailing List https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
Mailing List https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
Release Notes https://tls.mbed.org/tech-updates/releases/mbedtls-2.8.0-2.7.2-and-2.1.11-releas...
38
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 10/34 · Low