VDB-146187 · CVE-2012-5640 · Qualys 166144

thttpd .htpasswd File 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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4.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in thttpd. This affects an unknown function of the component .htpasswd File Handler. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2012-5640. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in thttpd (Web Server) (version now known). This affects some unknown processing of the component .htpasswd File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

The weakness was disclosed 11/25/2019 (Website). It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2012-5640 since 10/24/2012. Attacking locally is a requirement. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 166144 (SUSE Security Update for thttpd (openSUSE-SU-2013:0640-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/24/2012 🔍
11/25/2019 +2588 days 🔍
11/26/2019 +1 days 🔍
12/29/2024 +1860 days 🔍

Sourcesinfo

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2012-5640 (🔍)
GCVE (CVE): GCVE-0-2012-5640
GCVE (VulDB): GCVE-100-146187

Entryinfo

Created: 11/26/2019 06:52
Updated: 12/29/2024 04:12
Changes: 11/26/2019 06:52 (35), 11/26/2019 06:57 (18), 12/29/2024 04:12 (18)
Complete: 🔍
Cache ID: 216::103

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