CVE-2020-36426 — Out-of-bounds Read in ARM Mbed TLS

CWE-125 — Out-of-bounds Read6 documents6 sources
Severity
7.5HIGHNVD
EPSS
1.0%
top 22.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mbed MbedtlsARM Mbed TLSDebian Linux
Timeline
PublishedJul 19
Latest updateMay 24

Description

An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDarm/mbed_tls2.8.0 — 2.16.8+2
▶Debianmbed/mbedtls< 2.16.9-0.1+3

Also affects: Debian Linux 10.0

🔴Vulnerability Details

3
GHSA
GHSA-jw2m-7hxw-f6q8: An issue was discovered in Arm Mbed TLS before 2↗2022-05-24
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OSV
CVE-2020-36426: An issue was discovered in Arm Mbed TLS before 2↗2021-07-19
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CVEList
CVE-2020-36426: An issue was discovered in Arm Mbed TLS before 2↗2021-07-19
▶

📋Vendor Advisories

2
Microsoft
An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte).↗2021-07-13
▶
Debian
CVE-2020-36426: mbedtls - An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_de...↗2020
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CVE-2020-36426 — Out-of-bounds Read in ARM Mbed TLS | cvebase