slim 2.17 crypt null pointer dereference

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in slim 2.17. Affected by this vulnerability is the function crypt. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2013-4412. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

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.

The vulnerability is also documented in the databases at SecurityFocus (BID 62906†) and OSVDB (98297†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

slim

Version

2.17

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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 (🔍)
GCVE (CVE): GCVE-0-2013-4412
GCVE (VulDB): GCVE-100-144815
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: 🔍
Cache ID: 216::103