CVE-2018-20721
"Urilparser URI_FUNC Out-of-Bounds Read Vulnerability"
Description
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.
INFO
Published Date :
Jan. 16, 2019, 2:29 p.m.
Last Modified :
Dec. 16, 2021, 7:01 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2018-20721
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-20721.
| URL | Resource |
|---|---|
| https://github.com/uriparser/uriparser/blob/master/ChangeLog | Release Notes Third Party Advisory |
| https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html | Mailing List Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-20721 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20721 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 16, 2021
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html Third Party Advisory https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 01, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 01, 2019
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 19, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 22, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/uriparser/uriparser/blob/master/ChangeLog No Types Assigned https://github.com/uriparser/uriparser/blob/master/ChangeLog Release Notes, Third Party Advisory Changed Reference Type https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4 No Types Assigned https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4 Patch, Third Party Advisory Added CWE CWE-125 Added CPE Configuration OR *cpe:2.3:a:uriparser_project:uriparser:*:*:*:*:*:*:*:* versions up to (excluding) 0.9.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20721 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-20721
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.27 }} 0.01%
score
0.68120
percentile