CVE-2018-19198

uriparser: Out-of-bounds write via uriComposeQuery* or uriComposeQueryEx* function

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an out-of-bounds write via a uriComposeQuery* or uriComposeQueryEx* function because the '&' character is mishandled in certain contexts.

Se ha descubierto un problema en versiones anteriores a la 0.9.0 de uriparser. UriQuery.c permite la escritura fuera de límites mediante las funciones uriComposeQuery* o uriComposeQueryEx* debido a que el carácter '' se gestiona de manera incorrecta en ciertos contextos.

It was discovered that uriparser mishandled certain input. An attacker could use this vulnerability to cause uriparser to crash or possibly execute arbitrary code. It was discovered that uriparser incorrectly handled certain URIs. An attacker could use this vulnerability to cause a crash or possibly leak sensitive information.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-11-12 CVE Reserved
2018-11-12 CVE Published
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (6)

URL	Tag	Source
https://github.com/uriparser/uriparser/blob/uriparser-0.9.0/ChangeLog	Release Notes
https://lists.debian.org/debian-lts-announce/2018/11/msg00019.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/uriparser/uriparser/commit/864f5d4c127def386dd5cc926ad96934b297f04e	2019-08-06

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:2280	2019-08-06
https://access.redhat.com/security/cve/CVE-2018-19198	2019-08-06
https://bugzilla.redhat.com/show_bug.cgi?id=1651946	2019-08-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Uriparser Project Search vendor "Uriparser Project"		Uriparser Search vendor "Uriparser Project" for product "Uriparser"				< 0.9.0 Search vendor "Uriparser Project" for product "Uriparser" and version " < 0.9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected