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The vulnerability of the `PackLinuxElf::canUnpack()` function in the `p_lx_elf.cpp` component of the UPX executable file unpacker, related to pointer swapping errors, allows a hacker to gain access to confidential data, compromise its integrity, and cause service failure.

🗓️ 20 Sep 2021 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 9 Views

Vulnerability in UPX PackLinuxElf canUnpack allows data access, integrity breach, and service failure via a crafted file.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-30500
27 May 202100:15
attackerkb
AlpineLinux
CVE-2021-30500
26 May 202123:51
alpinelinux
CNNVD
UPX 代码问题漏洞
26 May 202100:00
cnnvd
CNVD
UPX Null Pointer Dereference Vulnerability
27 May 202100:00
cnvd
CVE
CVE-2021-30500
26 May 202123:51
cve
Cvelist
CVE-2021-30500
26 May 202123:51
cvelist
Debian CVE
CVE-2021-30500
26 May 202123:51
debiancve
EUVD
EUVD-2021-17421
7 Oct 202500:30
euvd
NVD
CVE-2021-30500
27 May 202100:15
nvd
Tenable Nessus
openSUSE 15 Security Update : upx (openSUSE-SU-2023:0088-1)
12 Apr 202300:00
nessus
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20 Sep 2021 00:00Current
7.1High risk
Vulners AI Score7.1
CVSS 26.8
CVSS 38.8
EPSS0.0123
9