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CVE-2021-20285 (GCVE-0-2021-20285)
Vulnerability from cvelistv5
Published
2021-03-26 16:35
      Modified
2024-08-03 17:37
      
          Severity ?
        
        
          VLAI Severity ?
        
        
          EPSS score ?
        
        CWE
          
        Summary
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
            
          
        References
          | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                    
  | 
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  ghsa-9235-qgm5-877x
Vulnerability from github
Published
2022-05-24 17:45
    Modified
2022-08-06 00:00
    
        Severity ?
      
      
    
        VLAI Severity ?
      
      Details
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
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  "modified": "2022-08-06T00:00:39Z",
  "published": "2022-05-24T17:45:32Z",
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      "type": "CVSS_V3"
    }
  ]
}
  opensuse-su-2023:0088-1
Vulnerability from csaf_opensuse
Published
2023-04-11 07:07
    Modified
2023-04-11 07:07
    Summary
Security update for upx
    Notes
Title of the patch
Security update for upx
    Description of the patch
upx was updated to fix the following issues:
Update to release 4.0.2
* Fix unpack of ELF x86-64 that failed with 'CantUnpackException: corrupt b_info'
* Resolve SEGV on PackLinuxElf64::invert_pt_dynamic
- CVE-2021-30500: Fixed Null pointer dereference in PackLinuxElf:canUnpack() in p_lx_elf.cpp
- CVE-2021-30501: Fixed Assertion abort in function MemBuffer:alloc()
- CVE-2021-43311: Fixed Heap-based buffer overflow in PackLinuxElf32:elf_lookup() at p_lx_elf.cpp
- CVE-2021-43312: Fixed Heap-based buffer overflow in PackLinuxElf64:invert_pt_dynamic at p_lx_elf.cpp:5239
- CVE-2021-43313: Fixed Heap-based buffer overflow in PackLinuxElf32:invert_pt_dynamic at p_lx_elf.cpp:1688
- CVE-2021-43314: Fixed Heap-based buffer overflows in PackLinuxElf32:elf_lookup() at p_lx_elf.cp
- CVE-2021-43315: Fixed Heap-based buffer overflows in PackLinuxElf32:elf_lookup() at p_lx_elf.cp
- CVE-2021-43316: Fixed Heap-based buffer overflow in func get_le64()
- CVE-2021-43317: Fixed Heap-based buffer overflows in PackLinuxElf64:elf_lookup() at p_lx_elf.cp
- CVE-2023-23456: Fixed heap-buffer-overflow in PackTmt:pack()
- CVE-2023-23457: Fixed SEGV on PackLinuxElf64:invert_pt_dynamic() in p_lx_elf.cpp
    Patchnames
openSUSE-2023-88
    Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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}
  cnvd-2021-24268
Vulnerability from cnvd
Title
UPX拒绝服务漏洞(CNVD-2021-24268)
Description
UPX是一款开源可执行文件打包程序,支持来自不同操作系统的多种文件格式。
UPX 3.96版本中的p_lx_elf.cpp中的canPack存在拒绝服务漏洞。攻击者可通过特制ELF利用该漏洞导致应用程序崩溃。
Severity
高
        VLAI Severity ?
      
      Patch Name
UPX拒绝服务漏洞(CNVD-2021-24268)的补丁
Patch Description
UPX是一款开源可执行文件打包程序,支持来自不同操作系统的多种文件格式。
UPX 3.96版本中的p_lx_elf.cpp中的canPack存在拒绝服务漏洞。攻击者可通过特制ELF利用该漏洞导致应用程序崩溃。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
厂商已发布了漏洞修复程序,请及时关注更新:https://github.com/upx/upx/commit/3781df9da23840e596d5e9e8493f22666802fe6c
Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-20285
Impacted products
          | Name | UPX UPX 3.96 | 
|---|
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  fkie_cve-2021-20285
Vulnerability from fkie_nvd
Published
2021-03-26 17:15
    Modified
2025-04-11 12:27
    
          Severity ?
        
        
    Summary
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
    References
      | URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1937787 | Issue Tracking, Third Party Advisory | |
| secalert@redhat.com | https://github.com/upx/upx/issues/421 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1937787 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/upx/upx/issues/421 | Exploit, Issue Tracking, Third Party Advisory | 
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  gsd-2021-20285
Vulnerability from gsd
Modified
2023-12-13 01:23
      Details
        
          A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
        
      Aliases
        
      Aliases
        
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    "id": "GSD-2021-20285",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-20285.html",
      "https://advisories.mageia.org/CVE-2021-20285.html",
      "https://security.archlinux.org/CVE-2021-20285"
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          "impactScore": 8.5,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 4.7
        }
      },
      "lastModifiedDate": "2022-08-05T17:44Z",
      "publishedDate": "2021-03-26T17:15Z"
    }
  }
}
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      Sightings
| Author | Source | Type | Date | 
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
 - Confirmed: The vulnerability is confirmed from an analyst perspective.
 - Published Proof of Concept: A public proof of concept is available for this vulnerability.
 - Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
 - Patched: This vulnerability was successfully patched by the user reporting the sighting.
 - Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
 - Not confirmed: The user expresses doubt about the veracity of the vulnerability.
 - Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
 
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