CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in S-Cms 3.0 (Content Management System). Affected is an unknown part of the file robots.php. The manipulation of the argument txt
as part of a User-Agent leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted User-agent Disallow value in the robots.php txt parameter.
The bug was discovered 10/15/2018. The weakness was presented 10/17/2018 (Website). The advisory is shared for download at ttk7.cn. This vulnerability is traded as CVE-2018-18426 since 10/16/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is necessary for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.
The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:robots.php it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
See 125689 for similar entry.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.5
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Code injectionCWE: CWE-94 / CWE-74 / CWE-707
ATT&CK: T1059
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/15/2018 🔍10/16/2018 🔍
10/17/2018 🔍
10/17/2018 🔍
10/17/2018 🔍
04/04/2020 🔍
Sources
Advisory: ttk7.cnStatus: Not defined
Confirmation: 🔍
CVE: CVE-2018-18426 (🔍)
See also: 🔍
Entry
Created: 10/17/2018 18:58Updated: 04/04/2020 20:56
Changes: 10/17/2018 18:58 (59), 04/04/2020 20:56 (2)
Complete: 🔍
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