uriparser up to 0.8.x UriQuery.c uriComposeQuery/uriComposeQueryEx out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability was found in uriparser up to 0.8.x. It has been rated as critical. This issue affects the function uriComposeQuery/uriComposeQueryEx
of the file UriQuery.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
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.
The bug was discovered 10/26/2018. The weakness was published 11/12/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-19198 since 11/12/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119053 (Debian DLA-1581-1 : uriparser security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. 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 0.9.0 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (119053). Similar entries are available at 126666, 126667 and 129810.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 119053
Nessus Name: Debian DLA-1581-1 : uriparser security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: uriparser 0.9.0
Patch: github.com
Timeline
10/26/2018 🔍11/12/2018 🔍
11/12/2018 🔍
11/12/2018 🔍
11/13/2018 🔍
11/20/2018 🔍
11/21/2018 🔍
06/05/2023 🔍
Sources
Advisory: RHSA-2019:2280Status: Confirmed
CVE: CVE-2018-19198 (🔍)
See also: 🔍
Entry
Created: 11/13/2018 07:57Updated: 06/05/2023 15:23
Changes: 11/13/2018 07:57 (73), 04/11/2020 16:59 (2), 06/05/2023 15:23 (5)
Complete: 🔍
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