Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2014-6272

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
24/08/2015
Last modified:
12/04/2025

Description

Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via "insanely large inputs" to the (1) evbuffer_add, (2) evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.8:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.9:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.10:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.11:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.12:*:*:*:*:*:*:*
cpe:2.3:a:libevent_project:libevent:1.4.13:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools