libarchive up to 3.4.0 LHA Archive archive_read_support_format_lha.c out-of-bounds
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability was found in libarchive up to 3.4.0 (File Compression Software). It has been rated as critical. Affected by this issue is an unknown code block of the file archive_read_support_format_lha.c of the component LHA Archive Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
archive_read_support_format_lha.c in libarchive before 3.4.1 does not ensure valid sizes for UTF-16 input, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted LHA archive.
The weakness was released 03/10/2020. This vulnerability is handled as CVE-2019-20509 since 03/10/2020. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
Upgrading to version 3.4.1 eliminates this vulnerability.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.8
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: libarchive 3.4.1
Patch: github.com
Timeline
03/10/2020 🔍03/10/2020 🔍
03/11/2020 🔍
04/11/2024 🔍
Sources
Status: Not definedCVE: CVE-2019-20509 (🔍)
Entry
Created: 03/11/2020 12:31Updated: 04/11/2024 12:28
Changes: 03/11/2020 12:31 (37), 03/11/2020 12:36 (18), 04/11/2024 12:28 (19)
Complete: 🔍
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