IM
IronMonkey Threat Research

CVE-2018-16842 CRITICAL

Published: 2018-10-31 | Last Modified: 2026-06-17 | Status: Modified

Description

Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.

Additional Descriptions (1)

Curl, desde la versión 7.14.1 hasta la 7.61.1, es vulnerable a una sobrelectura de búfer basada en memoria dinámica (heap) en la función tool_msgs.c:voutf() que podría resultar en una exposición de información y una denegación de servicio (DoS).

CVSS Metrics

Base Score: 6.4 (MEDIUM)

AV:N/AC:L/Au:N/C:P/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 4.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-125
[email protected] Primary
en CWE-125

Affected Products

Vendor Product Version Update Type
haxx curl * <built-in method update of dict object at 0x72a9a3093dc0> Application
canonical ubuntu_linux 12.04 <built-in method update of dict object at 0x72a99a7f0080> Operating System
canonical ubuntu_linux 14.04 <built-in method update of dict object at 0x72a9b0c46200> Operating System
canonical ubuntu_linux 16.04 <built-in method update of dict object at 0x72a9b0c46a80> Operating System
canonical ubuntu_linux 18.04 <built-in method update of dict object at 0x72a9a3093c40> Operating System
canonical ubuntu_linux 18.10 <built-in method update of dict object at 0x72a9a30928c0> Operating System
debian debian_linux 8.0 <built-in method update of dict object at 0x72a9a3092b80> Operating System
debian debian_linux 9.0 <built-in method update of dict object at 0x72a99a7f1a00> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

References

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