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.
6.9	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in FreeXL up to 1.0.4. Affected by this issue is the function parse_SST. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in a memcpy call of the parse_SST function.

The bug was discovered 02/22/2018. The weakness was published 02/23/2018 (Website). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2018-7437 since 02/23/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 107113 (openSUSE Security Update : freexl (openSUSE-2018-217)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176311 (Debian Security Update for freexl (DSA 4129-1)).

Upgrading to version 1.0.5 eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (107113).

Productinfo

Name

• FreeXL

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

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

Nessus ID: 107113
Nessus Name: openSUSE Security Update : freexl (openSUSE-2018-217)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 866348
OpenVAS Name: SuSE Update for freexl openSUSE-SU-2018:0570-1 (freexl)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FreeXL 1.0.5

Timelineinfo

02/22/2018 🔍
02/23/2018 +1 days 🔍
02/23/2018 +0 days 🔍
02/23/2018 +0 days 🔍
02/24/2018 +1 days 🔍
03/01/2018 +5 days 🔍
03/02/2018 +1 days 🔍
02/10/2023 +1806 days 🔍

Sourcesinfo

Advisory: DLA 1297-1
Status: Not defined

CVE: CVE-2018-7437 (🔍)
OVAL: 🔍

Entryinfo

Created: 02/24/2018 12:31
Updated: 02/10/2023 08:21
Changes: 02/24/2018 12:31 (74), 01/08/2020 12:04 (2), 02/10/2023 08:21 (4)
Complete: 🔍
Cache ID: 3:1F5:103

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