CVE-2022-46393 — Out-of-bounds Read in ARM Mbed TLS

CWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write6 documents6 sources
Severity
9.8CRITICALNVD
EPSS
0.9%
top 24.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mbed MbedtlsARM Mbed TLSFedoraproject Fedora
Timeline
PublishedDec 15
Latest updateFeb 15

Description

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDarm/mbed_tls3.0.0 — 3.3.0+1
▶Debianmbed/mbedtls< 2.28.2-1+2

Also affects: Fedora 36, 37

🔴Vulnerability Details

3
GHSA
GHSA-pjwj-r3p9-jjrq: An issue was discovered in Mbed TLS before 2↗2022-12-16
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OSV
CVE-2022-46393: An issue was discovered in Mbed TLS before 2↗2022-12-15
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CVEList
CVE-2022-46393: An issue was discovered in Mbed TLS before 2↗2022-12-15
▶

📋Vendor Advisories

2
CISA ICS
Siemens SCALANCE XCM-/XRM-300↗2024-02-15
▶
Debian
CVE-2022-46393: mbedtls - An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is...↗2022
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CVE-2022-46393 — Out-of-bounds Read in ARM Mbed TLS | cvebase