UPX p_lx_elf.cpp get_le32 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in UPX. This impacts the function get_le32 of the file p_lx_elf.cpp. Such manipulation of the argument p leads to memory corruption. This vulnerability is documented as CVE-2021-43311. There is not any exploit available.

Detailsinfo

A vulnerability was found in UPX (affected version unknown) and classified as critical. Affected by this issue is the function get_le32 of the file p_lx_elf.cpp. The manipulation of the argument p 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:

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5382.

The weakness was released 03/25/2023 as 380. The advisory is available at github.com. This vulnerability is handled as CVE-2021-43311 since 11/03/2021. Technical details are known, but there is no available exploit.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: 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

11/03/2021 🔍
03/25/2023 +507 days 🔍
03/25/2023 +0 days 🔍
04/14/2023 +20 days 🔍

Sourcesinfo

Product: github.com

Advisory: 380
Status: Confirmed

CVE: CVE-2021-43311 (🔍)
GCVE (CVE): GCVE-0-2021-43311
GCVE (VulDB): GCVE-100-223826

Entryinfo

Created: 03/25/2023 07:43
Updated: 04/14/2023 10:34
Changes: 03/25/2023 07:43 (39), 04/14/2023 10:34 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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