CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Opera Web Browser 5.1.1 (Web Browser). This affects an unknown part of the component Image Handler. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is:
Opera 5.11 allows remote attackers to cause a denial of service (CPU consumption and memory leak) via a web page with a large number of images.
The weakness was released 12/31/2001 (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is uniquely identified as CVE-2001-1491. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (7709). Entries connected to this vulnerability are available at 17809 and 17810.
Product
Type
Vendor
Name
Version
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: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Memory leakCWE: CWE-401 / CWE-404
ATT&CK: T1499
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/11/2001 🔍12/11/2001 🔍
12/31/2001 🔍
12/31/2001 🔍
06/21/2005 🔍
01/27/2010 🔍
07/11/2014 🔍
06/27/2021 🔍
Sources
Vendor: opera.comAdvisory: xforce.iss.net
Status: Not defined
CVE: CVE-2001-1491 (🔍)
X-Force: 7709
Vulnerability Center: 24703 - Opera 5.11 Remote Denial-of-Service via a Web Page Containing a Large Number of Images, High
SecurityFocus: 3684 - Multiple Vendor Image Count Denial of Service Vulnerability
See also: 🔍
Entry
Created: 07/11/2014 13:25Updated: 06/27/2021 08:53
Changes: 07/11/2014 13:25 (49), 04/22/2019 10:53 (9), 06/27/2021 08:53 (2)
Complete: 🔍
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