GNU LibreDWG 0.5.1048 decode.c dwg_decode_eed double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in GNU LibreDWG 0.5.1048. Affected by this issue is the function dwg_decode_eed of the file decode.c. Executing a manipulation can lead to double free. This vulnerability appears as CVE-2018-14524. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in GNU LibreDWG 0.5.1048 (Image Processing Software). This vulnerability affects the function dwg_decode_eed of the file decode.c. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

dwg_decode_eed in decode.c in GNU LibreDWG 0.5.1048 leads to a double free (in dwg_free_eed in free.c) because it does not properly manage the obj->eed value after a free occurs.

The bug was discovered 07/21/2018. The weakness was presented 07/23/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-14524 since 07/22/2018. The attack can be initiated remotely. No form of authentication is required for a successful 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 2 days. During that time the estimated underground price was around $0-$5k.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/21/2018 🔍
07/22/2018 +0 days 🔍
07/23/2018 +1 days 🔍
07/23/2018 +0 days 🔍
07/23/2018 +0 days 🔍
04/25/2023 +1737 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: 33
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-14524 (🔍)
GCVE (CVE): GCVE-0-2018-14524
GCVE (VulDB): GCVE-100-122068

Entryinfo

Created: 07/23/2018 13:59
Updated: 04/25/2023 09:42
Changes: 07/23/2018 13:59 (57), 03/09/2020 13:28 (2), 04/25/2023 09:42 (4)
Complete: 🔍
Cache ID: 216::103

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