Vulnerability Report

CVE-2018-20721

Title: Uriparser Project Uriparser Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2018-20721.

CWE Category CWE-125

Published Date Jan 16, 2019

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

2.05%

Vulnerability Summary

CVE-2018-20721: URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a "//[::44.1" address.

Impacted Vendors

uriparser_project 1

Reference Links

https://github.com/uriparser/uriparser/blob/master/ChangeLog https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4 https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html https://github.com/uriparser/uriparser/blob/master/ChangeLog https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4 https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-20721 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

January 16, 2019 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.