CVE-2019-5436 Information

Description

A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html http://www.openwall.com/lists/oss-security/2019/09/11/6 [oss-security] 20190911 [SECURITY ADVISORY] curl: TFTP small blocksize heap buffer overflow https://curl.haxx.se/docs/CVE-2019-5436.html https://curl.haxx.se/docs/CVE-2019-5436.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/ https://seclists.org/bugtraq/2020/Feb/36 20200225 [SECURITY] [DSA 4633-1] curl security update https://security.gentoo.org/glsa/202003-29 https://security.netapp.com/advisory/ntap-20190606-0004/ https://support.f5.com/csp/article/K55133295 https://support.f5.com/csp/article/K55133295?utm_source=f5support&utm_medium=RSS https://www.debian.org/security/2020/dsa-4633 https://www.oracle.com/security-alerts/cpuapr2020.html https://www.oracle.com/security-alerts/cpuoct2020.html https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1. cpe:2.3:a:haxx:libcurl::::::::

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8