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CVE-2021-30500 (GCVE-0-2021-30500)
Vulnerability from cvelistv5 – Published: 2021-05-26 23:51 – Updated: 2024-08-03 22:32
VLAI?
EPSS
Summary
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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FKIE_CVE-2021-30500
Vulnerability from fkie_nvd - Published: 2021-05-27 00:15 - Updated: 2025-04-11 12:27
Severity ?
Summary
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1948692 | Issue Tracking, Third Party Advisory | |
| secalert@redhat.com | https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc | Patch, Third Party Advisory | |
| secalert@redhat.com | https://github.com/upx/upx/issues/485 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1948692 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/upx/upx/issues/485 | Exploit, Issue Tracking, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| upx | upx | 4.0.0 | |
| redhat | enterprise_linux | 7.0 | |
| fedoraproject | fedora | 33 |
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CNVD-2021-40318
Vulnerability from cnvd - Published: 2021-06-08
VLAI Severity ?
Title
UPX空指针解引用漏洞
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 4.0.0版本中的p_lx_elf.cpp中的PackLinuxElf::canUnpack()存在空指针解引用漏洞。攻击者可通过特制文件利用该漏洞执行任意代码及导致拒绝服务。
Severity
中
Patch Name
UPX空指针解引用漏洞的补丁
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 4.0.0版本中的p_lx_elf.cpp中的PackLinuxElf::canUnpack()存在空指针解引用漏洞。攻击者可通过特制文件利用该漏洞执行任意代码及导致拒绝服务。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/90279abdfcd235172eab99651043051188938dcc
Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-30500
Impacted products
| Name | UPX UPX 4.0.0 |
|---|
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GHSA-5339-45C2-MH5V
Vulnerability from github – Published: 2022-05-24 19:03 – Updated: 2025-04-11 12:31
VLAI?
Details
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
Severity ?
7.8 (High)
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GSD-2021-30500
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
Aliases
Aliases
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},
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"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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OPENSUSE-SU-2023:0088-1
Vulnerability from csaf_opensuse - Published: 2023-04-11 07:07 - Updated: 2023-04-11 07:07Summary
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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Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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