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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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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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"threats": [
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],
"title": "CVE-2023-23457"
}
]
}
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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"patchName": "UPX\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-24268\uff09\u7684\u8865\u4e01",
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},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20285",
"serverity": "\u9ad8",
"submitTime": "2021-03-29",
"title": "UPX\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-24268\uff09"
}
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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}
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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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