CVE-2017-18187 — Integer Overflow or Wraparound in ARM Mbed TLS

CWE-190 — Integer Overflow or Wraparound10 documents7 sources
Severity
9.8CRITICALNVD
EPSS
0.6%
top 31.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mbed MbedtlsARM Mbed TLSDebian Linux
Timeline
PublishedFeb 14
Latest updateMay 13

Description

In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the ssl_parse_client_psk_identity() function in library/ssl_srv.c.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶NVDarm/mbed_tls< 2.7.0
▶Debianmbed/mbedtls< 2.7.0-2+3
▶Ubuntumbed/mbedtls< 2.2.1-2ubuntu0.3

Also affects: Debian Linux 8.0, 9.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-3g9w-ghrc-hc72: In ARM mbed TLS before 2↗2022-05-13
▶
OSV
mbedtls vulnerabilities↗2020-02-05
▶
CVEList
CVE-2017-18187: In ARM mbed TLS before 2↗2018-02-14
▶
OSV
CVE-2017-18187: In ARM mbed TLS before 2↗2018-02-14
▶

📋Vendor Advisories

2
Ubuntu
ARM mbed TLS vulnerabilities↗2020-02-05
▶
Debian
CVE-2017-18187: mbedtls - In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer ...↗2017
▶

💬Community

3
Bugzilla
CVE-2017-18187 mbedtls: Bounds-check bypass via integer overflow in ssl_srv.c:ssl_parse_client_psk_identity()↗2018-02-15
▶
Bugzilla
CVE-2017-18187 CVE-2018-0487 CVE-2018-0488 mbedtls: various flaws [epel-all]↗2018-02-13
▶
Bugzilla
CVE-2017-18187 CVE-2018-0487 CVE-2018-0488 mbedtls: various flaws [fedora-all]↗2018-02-13
▶
CVE-2017-18187 — Integer Overflow or Wraparound in ARM | cvebase