CVE-2018-9988

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.56%
Vendor Advisory mbed.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html third party advisory mailing list
https://github.com/ARMmbed/mbedtls/commit/a1098f81c252b317ad34ea978aea2bc47760b215 third party advisory patch
https://tls.mbed.org/tech-updates/releases/mbedtls-2.8.0-2.7.2-and-2.1.11-released release notes vendor advisory
https://github.com/ARMmbed/mbedtls/commit/027f84c69f4ef30c0693832a6c396ef19e563ca1 third party advisory patch
https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-9988?
CVE-2018-9988 has been scored as a high severity vulnerability.
How to fix CVE-2018-9988?
To fix CVE-2018-9988, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-9988 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-9988 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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