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CVE-2017-18187

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-4267-1
Posted Feb 6, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4267-1 - It was discovered that mbedtls has a bounds-check bypass through an integer overflow that can be used by an attacked to execute arbitrary code or cause a denial of service. It was discovered that mbedtls has a vulnerability where an attacker could execute arbitrary code or cause a denial of service via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-18187, CVE-2018-0487, CVE-2018-0488, CVE-2018-0497, CVE-2018-0498
MD5 | 5f33dbd0ff4480220611555ae9976280
Gentoo Linux Security Advisory 201804-19
Posted Apr 23, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201804-19 - Multiple vulnerabilities have been found in mbed TLS, the worst of which could allow remote attackers to execute arbitrary code. Versions less than 2.7.2 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2017-18187, CVE-2018-0487, CVE-2018-0488
MD5 | 7915335f91ab13bb374a62cf8258bf56
Debian Security Advisory 4147-1
Posted Mar 22, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4147-1 - Several vulnerabilities were discovered in PolarSSL, a lightweight crypto and SSL/TLS library, that allowed a remote attacker to either cause a denial-of-service by application crash, or execute arbitrary code.

tags | advisory, remote, arbitrary, crypto, vulnerability
systems | linux, debian
advisories | CVE-2017-18187, CVE-2018-0487, CVE-2018-0488
MD5 | 72ed8cbee080cd97ded9b982a753f4a2
Debian Security Advisory 4138-1
Posted Mar 15, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4138-1 - Several vulnerabilities were discovered in mbed TLS, a lightweight crypto and SSL/TLS library, that allowed a remote attacker to either cause a denial-of-service by application crash, or execute arbitrary code.

tags | advisory, remote, arbitrary, crypto, vulnerability
systems | linux, debian
advisories | CVE-2017-18187, CVE-2018-0487, CVE-2018-0488
MD5 | d5d19957a8a5081f78111a7aa8f37028
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