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CVE-2019-6250

Status Candidate

Overview

A pointer overflow, with code execution, was discovered in ZeroMQ libzmq (aka 0MQ) 4.2.x and 4.3.x before 4.3.1. A v2_decoder.cpp zmq::v2_decoder_t::size_ready integer overflow allows an authenticated attacker to overwrite an arbitrary amount of bytes beyond the bounds of a buffer, which can be leveraged to run arbitrary code on the target system. The memory layout allows the attacker to inject OS commands into a data structure located immediately after the problematic buffer (i.e., it is not necessary to use a typical buffer-overflow exploitation technique that changes the flow of control).

Related Files

Gentoo Linux Security Advisory 201903-22
Posted Mar 28, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201903-22 - An overflow was discovered in ZeroMQ which could lead to arbitrary code execution. Versions less than 4.3.1 are affected.

tags | advisory, overflow, arbitrary, code execution
systems | linux, gentoo
advisories | CVE-2019-6250
SHA-256 | 369fd084812b4a33195bab4ed061f4af8ecfca25a6f5c4e5d440330adf785501
Download | Favorite | View
Debian Security Advisory 4368-1
Posted Jan 15, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4368-1 - Guido Vranken discovered that an incorrect bounds check in ZeroMQ, a lightweight messaging kernel, could result in the execution of arbitrary code.

tags | advisory, arbitrary, kernel
systems | linux, debian
advisories | CVE-2019-6250
SHA-256 | 4faa23d5b3180560f21edab9d87407f650bf589a143f1fd39853c99a807c729f
Download | Favorite | View
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