CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.5 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Loofah Gem up to 2.2.0 on Ruby (Ruby Gem). This affects some unknown functionality of the component Whitelist. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing a crafted HTML fragment.
The bug was discovered 03/19/2018. The weakness was released 03/27/2018 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2018-8048 since 03/11/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109046 (Debian DSA-4171-1 : ruby-loofah - 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 176354 (Debian Security Update for ruby-loofah (DSA 4171-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (109046).
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: 6.6VulDB Meta Temp Score: 6.5
VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
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: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
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: 109046
Nessus Name: Debian DSA-4171-1 : ruby-loofah - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 52643
OpenVAS Name: Debian Security Advisory DSA 4171-1 (ruby-loofah - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/11/2018 🔍03/19/2018 🔍
03/27/2018 🔍
03/27/2018 🔍
03/28/2018 🔍
04/13/2018 🔍
04/16/2018 🔍
02/24/2023 🔍
Sources
Advisory: 144Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-8048 (🔍)
OVAL: 🔍
Entry
Created: 03/28/2018 10:37Updated: 02/24/2023 12:59
Changes: 03/28/2018 10:37 (74), 01/17/2020 13:57 (3), 02/24/2023 12:59 (4)
Complete: 🔍
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