FreeXL up to 1.0.4 parse_SST memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in FreeXL up to 1.0.4. The impacted element is the function parse_SST. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2018-7437. The attack can only be performed from a local environment. No exploit is available. You should upgrade the affected component.

Detailsinfo

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). Similar entries are available at VDB-113778, VDB-113779, VDB-113781 and VDB-113782. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
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

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 (🔍)
GCVE (CVE): GCVE-0-2018-7437
GCVE (VulDB): GCVE-100-113780

OVAL: 🔍
See also: 🔍

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: 216::103

Once again VulDB remains the best source for vulnerability data.

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