CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in AOL Instant Messenger up to 4.7 (Messaging Software). This vulnerability affects an unknown code block of the component Font Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:
AOL Instant Messenger (AIM) 4.7 and earlier allows remote attackers to cause a denial of service (application crash) via a large number of different fonts followed by an HTML HR tag.
The weakness was published 10/06/2001 as confirmed advisory (CERT.org). The advisory is available at kb.cert.org. This vulnerability was named CVE-2001-1421 since 03/20/2005. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (7757). Similar entries are available at 17469 and 17468.
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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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: 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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
10/06/2001 🔍10/06/2001 🔍
10/06/2001 🔍
03/20/2005 🔍
07/09/2014 🔍
04/09/2019 🔍
Sources
Vendor: aol.comAdvisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2001-1421 (🔍)
X-Force: 7757 - AOL Instant Messenger multiple character fonts denial of service
SecurityFocus: 3756 - AOL Instant Messenger Font Denial of Service Vulnerability
See also: 🔍
Entry
Created: 07/09/2014 15:36Updated: 04/09/2019 12:02
Changes: 07/09/2014 15:36 (41), 04/09/2019 12:02 (17)
Complete: 🔍
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