GNU Recutils 1.8 rec-fex.c rec_fex_size null pointer dereference

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.
5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU Recutils 1.8 and classified as problematic. This vulnerability affects the function rec_fex_size of the file rec-fex.c. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2019-6456. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in GNU Recutils 1.8. This affects the function rec_fex_size of the file rec-fex.c. 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:

An issue was discovered in GNU Recutils 1.8. There is a NULL pointer dereference in the function rec_fex_size() in the file rec-fex.c of librec.a.

The bug was discovered 01/16/2019. The weakness was published 01/16/2019 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2019-6456 since 01/16/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 212065 (Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS : recutils vulnerabilities (USN-7137-1)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (212065). Similar entries are available at VDB-129824, VDB-129826, VDB-129827 and VDB-129828. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 212065
Nessus Name: Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS : recutils vulnerabilities (USN-7137-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/16/2019 🔍
01/16/2019 +0 days 🔍
01/16/2019 +0 days 🔍
01/16/2019 +0 days 🔍
01/17/2019 +1 days 🔍
12/05/2024 +2149 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: github.com
Status: Not defined

CVE: CVE-2019-6456 (🔍)
GCVE (CVE): GCVE-0-2019-6456
GCVE (VulDB): GCVE-100-129825
See also: 🔍

Entryinfo

Created: 01/17/2019 12:01
Updated: 12/05/2024 06:47
Changes: 01/17/2019 12:01 (57), 05/02/2020 09:49 (1), 12/05/2024 06:47 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!