slim 2.17 crypt null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in slim 2.17 and classified as problematic. This issue affects the function crypt. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

slim has NULL pointer dereference when using crypt() method from glibc 2.17

The bug was discovered 10/19/2013. The weakness was published 11/04/2019. The identification of this vulnerability is CVE-2013-4412 since 06/12/2013. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2207 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/12/2013 🔍
10/09/2013 +119 days 🔍
10/19/2013 +10 days 🔍
11/04/2019 +2207 days 🔍
11/04/2019 +0 days 🔍
02/01/2024 +1550 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2013-4412 (🔍)
X-Force: 89675
SecurityFocus: 62906 - SLiM NULL Pointer Dereference Denial of Service Vulnerability
OSVDB: 98297

Entryinfo

Created: 11/04/2019 19:21
Updated: 02/01/2024 18:55
Changes: 11/04/2019 19:21 (38), 11/04/2019 19:26 (21), 02/01/2024 18:55 (5)
Complete: 🔍

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