Twibright Links 2.14 html_r.c put_chars HTML File out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Twibright Links 2.14. Affected by this issue is the function put_chars of the file html_r.c. This manipulation as part of HTML File causes out-of-bounds.
This vulnerability is tracked as CVE-2017-11114. The attack is restricted to local execution. No exploit exists.
It is recommended to upgrade the affected component.
Details
A vulnerability was found in Twibright Links 2.14. It has been declared as problematic. Affected by this vulnerability is the function put_chars of the file html_r.c. The manipulation as part of a HTML File leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:
The put_chars function in html_r.c in Twibright Links 2.14 allows remote attackers to cause a denial of service (buffer over-read) via a crafted HTML file.
The bug was discovered 07/30/2017. The weakness was disclosed 07/31/2017 (Website). The advisory is shared at seclists.org. This vulnerability is known as CVE-2017-11114 since 07/09/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117303 (FreeBSD : links -- denial of service (2a92555f-a6f8-11e8-8acd-10c37b4ac2ea)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (117303). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 117303
Nessus Name: FreeBSD : links -- denial of service (2a92555f-a6f8-11e8-8acd-10c37b4ac2ea)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
07/09/2017 🔍07/30/2017 🔍
07/31/2017 🔍
07/31/2017 🔍
08/01/2017 🔍
08/23/2018 🔍
09/06/2018 🔍
11/02/2019 🔍
Sources
Advisory: seclists.orgStatus: Not defined
CVE: CVE-2017-11114 (🔍)
GCVE (CVE): GCVE-0-2017-11114
GCVE (VulDB): GCVE-100-104677
Entry
Created: 08/01/2017 08:48Updated: 11/02/2019 15:46
Changes: 08/01/2017 08:48 (67), 11/02/2019 15:46 (6)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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