Jcraft Jzlib up to 0.0.6 Deflated Data InfBlocks.java null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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5.1 | $0-$5k | 0.00 |
A vulnerability was found in Jcraft Jzlib up to 0.0.6. It has been declared as problematic. This vulnerability affects an unknown code of the file InfBlocks.java of the component Deflated Data Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
The weakness was shared 12/31/2002 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2002-2102 since 08/05/2005. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
Upgrading to version 0.0.7 eliminates this vulnerability.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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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
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VulDB Base Score: 🔍
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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EPSS Percentile: 🔍
Price Prediction: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Jzlib 0.0.7
Timeline
03/18/2002 🔍12/31/2002 🔍
12/31/2002 🔍
08/05/2005 🔍
08/06/2014 🔍
06/11/2018 🔍
Sources
Advisory: securityfocus.com⛔Status: Not defined
Confirmation: 🔍
CVE: CVE-2002-2102 (🔍)
SecurityFocus: 4359 - JZLib Denial Of Service Vulnerability
Entry
Created: 08/06/2014 10:20Updated: 06/11/2018 08:44
Changes: 08/06/2014 10:20 (46), 06/11/2018 08:44 (8)
Complete: 🔍
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