| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Opera Web Browser 9.52. It has been classified as problematic. The affected element is an unknown function. Performing a manipulation results in input validation. This vulnerability was named CVE-2009-1234. In addition, an exploit is available. Upgrading the affected component is recommended.
Details
A vulnerability classified as problematic has been found in Opera Web Browser 9.52 (Web Browser). This affects an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.
The bug was discovered 03/30/2009. The weakness was presented 04/02/2009 (Website). The advisory is shared at milw0rm.com. This vulnerability is uniquely identified as CVE-2009-1234 since 04/02/2009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.
A public exploit has been developed in Python. The exploit is shared for download at securityfocus.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 42029 (openSUSE 10 Security Update : opera (opera-6473)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116334 (Opera XML Parser Remote Buffer Overflow Vulnerability).
Upgrading eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (49522), Exploit-DB (8320), Tenable (42029), SecurityFocus (BID 34298†) and OSVDB (53487†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.opera.com/
CPE 2.3
CPE 2.2
CVSSv4
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
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 42029
Nessus Name: openSUSE 10 Security Update : opera (opera-6473)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 800551
OpenVAS Name: Opera Web Browser XML Denial Of Service Vulnerability (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Fortigate IPS: 🔍
Timeline
03/30/2009 🔍03/30/2009 🔍
03/30/2009 🔍
04/02/2009 🔍
04/02/2009 🔍
04/02/2009 🔍
04/12/2009 🔍
09/02/2009 🔍
10/06/2009 🔍
03/17/2015 🔍
04/19/2025 🔍
Sources
Vendor: opera.comAdvisory: milw0rm.com⛔
Status: Confirmed
CVE: CVE-2009-1234 (🔍)
GCVE (CVE): GCVE-0-2009-1234
GCVE (VulDB): GCVE-100-47493
OVAL: 🔍
X-Force: 49522
SecurityFocus: 34298 - Opera XML Parser Remote Denial of Service Vulnerability
OSVDB: 53487 - CVE-2009-1234 - Opera Software - Opera - Buffer Overflow Issue
Vulnerability Center: 21522 - Opera 9.64 XML Parser Remote DoS Vulnerability, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/17/2015 23:38Updated: 04/19/2025 21:58
Changes: 03/17/2015 23:38 (78), 09/01/2019 09:10 (6), 11/25/2024 21:00 (19), 04/19/2025 21:58 (2)
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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