uriparser up to 0.9.0 UriParse.c URI_FUNC out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in uriparser up to 0.9.0. Affected is the function URI_FUNC of the file UriParse.c. The manipulation results in out-of-bounds. This vulnerability is known as CVE-2018-20721. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in uriparser up to 0.9.0. Affected is the function URI_FUNC of the file UriParse.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 12/08/2018. The weakness was published 01/16/2019 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2018-20721 since 01/16/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 39 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172070 (OpenSUSE Security Update for uriparser (openSUSE-SU-2019:0165-1)).

Upgrading to version 0.9.1 eliminates this vulnerability.

Similar entries are available at VDB-126665, VDB-126666 and VDB-126667. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: uriparser 0.9.1
Patch: github.com

Timelineinfo

12/08/2018 🔍
01/16/2019 +39 days 🔍
01/16/2019 +0 days 🔍
01/16/2019 +0 days 🔍
01/17/2019 +1 days 🔍
07/01/2023 +1626 days 🔍

Sourcesinfo

Product: github.com

Advisory: DLA 1682-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20721 (🔍)
GCVE (CVE): GCVE-0-2018-20721
GCVE (VulDB): GCVE-100-129810
See also: 🔍

Entryinfo

Created: 01/17/2019 09:27
Updated: 07/01/2023 11:33
Changes: 01/17/2019 09:27 (61), 05/02/2020 09:14 (2), 07/01/2023 11:33 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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