CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Moodle (Learning Management Software). Affected by this vulnerability is some unknown functionality. The manipulation of the argument $$
with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality. The summary by CVE is:
The TeX filter in Moodle 1.6 before 1.6.9+, 1.7 before 1.7.7+, 1.8 before 1.8.9, and 1.9 before 1.9.5 allows user-assisted attackers to read arbitrary files via an input command in a "$$" sequence, which causes LaTeX to include the contents of the file.
The bug was discovered 03/27/2009. The weakness was presented 03/30/2009 (Website). The advisory is shared at redhat.com. This vulnerability is known as CVE-2009-1171 since 03/30/2009. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 36905 (Fedora 10 : moodle-1.9.4-6.fc10 (2009-3280)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.
Upgrading to version 1.9.3 eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (49504), Tenable (36905) and Exploit-DB (8297).
Product
Type
Name
Version
- 1.6
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- 1.6.5
- 1.6.6
- 1.6.7
- 1.6.8
- 1.7
- 1.7.1
- 1.7.2
- 1.7.3
- 1.7.4
- 1.7.5
- 1.7.6
- 1.8
- 1.8.1
- 1.8.2
- 1.8.3
- 1.8.4
- 1.8.5
- 1.8.6
- 1.8.7
- 1.8.8
- 1.9
- 1.9.1
- 1.9.2
- 1.9.3
- 1.9.4
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: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Input validationCWE: CWE-20
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: 36905
Nessus Name: Fedora 10 : moodle-1.9.4-6.fc10 (2009-3280)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 63734
OpenVAS Name: Debian Security Advisory DSA 1761-1 (moodle)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Moodle 1.9.3
Timeline
03/27/2009 🔍03/27/2009 🔍
03/27/2009 🔍
03/30/2009 🔍
03/30/2009 🔍
03/30/2009 🔍
03/31/2009 🔍
04/02/2009 🔍
04/06/2009 🔍
04/23/2009 🔍
03/17/2015 🔍
08/31/2019 🔍
Sources
Product: moodle.orgAdvisory: redhat.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2009-1171 (🔍)
OVAL: 🔍
X-Force: 49504
Vulnerability Center: 21482 - Moodle <1.9.5 Tex Filter Allows Remote Attackers to Read Arbitrary Files via a Command in a TeX File, Medium
SecurityFocus: 34278 - Moodle TeX Filter Remote File Disclosure Vulnerability
Secunia: 34517 - Moodle TeX Notation Filter Information Disclosure, Less Critical
OSVDB: 52998 - Moodle - TeX Filter Remote File Disclosure Issue
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/17/2015 23:38Updated: 08/31/2019 18:40
Changes: 03/17/2015 23:38 (80), 08/31/2019 18:40 (8)
Complete: 🔍
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