ALT-PU-2020-2930-2

BDU:2021-04642

HIGH8.1

Уязвимость компонента p_lx_elf.cpp упаковщика исполняемых файлов UPX, связанная с чтением за допустимыми границами буфера данных, позволяющая нарушителю получить доступ к конфиденциальным данным, а также вызвать отказ в обслуживании

Опубликовано: 2021-09-20

CVSS 3.xВЫСОКАЯ 8.1

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CVSS 2.0СРЕДНЯЯ 5.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:N/A:P

Ссылки

CVE-2020-24119

BDU:2021-04695

HIGH8.8

Уязвимость функции PackLinuxElf::canUnpack() компонента p_lx_elf.cpp упаковщика исполняемых файлов UPX, связанная с ошибками разыменования указателя, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

Опубликовано: 2021-09-20

CVSS 3.xВЫСОКАЯ 8.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 2.0СРЕДНЯЯ 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

Ссылки

CVE-2021-30500

CVE-2017-15056

HIGH7.8

p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().

Опубликовано: 2017-10-06Изменено: 2025-04-20

CVSS 2.0СРЕДНЯЯ 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2017-16869

HIGH7.8

p_mach.cpp in UPX 3.94 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have unspecified other impact via a crafted Mach-O file, related to canPack and unpack functions. NOTE: the vendor has stated "there is no security implication whatsoever.

Опубликовано: 2017-11-17Изменено: 2025-04-20

CVSS 2.0СРЕДНЯЯ 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2018-11243

HIGH7.8

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.

Опубликовано: 2018-05-18Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2019-14295

MEDIUM5.5

An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an allocation of excessive memory.

Опубликовано: 2019-07-27Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 4.3

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2019-14296

HIGH7.8

canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV or buffer overflow, and application crash) or possibly have unspecified other impact via a crafted UPX packed file.

Опубликовано: 2019-07-27Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2019-20021

MEDIUM5.5

A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

Опубликовано: 2019-12-27Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 4.3

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2019-20051

MEDIUM5.5

A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service.

Опубликовано: 2019-12-27Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 4.3

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2019-20053

MEDIUM5.5

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

Опубликовано: 2019-12-27Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 4.3

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2019-20805

MEDIUM5.5

p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.

Опубликовано: 2020-06-01Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 4.3

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2020-24119

HIGH7.1

A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.

Опубликовано: 2021-05-14Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 5.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:N/A:P

CVSS 3.xВЫСОКАЯ 7.1

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Ссылки

CVE-2020-27787

MEDIUM5.5

A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

Опубликовано: 2022-08-18Изменено: 2025-04-11

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2020-27788

MEDIUM5.5

An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service.

Опубликовано: 2022-08-18Изменено: 2025-04-11

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2020-27790

MEDIUM5.5

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.

Опубликовано: 2022-08-18Изменено: 2025-04-11

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2020-27796

HIGH7.8

A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Опубликовано: 2022-08-25Изменено: 2025-04-11

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2020-27797

MEDIUM5.5

An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Опубликовано: 2022-08-25Изменено: 2025-04-11

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2020-27798

MEDIUM5.5

An invalid memory address reference was discovered in the adjABS function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Опубликовано: 2022-08-25Изменено: 2025-04-11

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2020-27799

HIGH7.8

A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.

Опубликовано: 2022-08-25Изменено: 2025-04-11

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2020-27800

HIGH7.8

A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.

Опубликовано: 2022-08-25Изменено: 2025-04-11

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2020-27801

HIGH7.8

A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.

Опубликовано: 2022-08-25Изменено: 2025-04-11

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2020-27802

MEDIUM5.5

An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Опубликовано: 2022-08-25Изменено: 2025-04-11

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-30500

HIGH7.8

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.

Опубликовано: 2021-05-27Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 3.xВЫСОКАЯ 7.8

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ссылки

CVE-2021-30501

MEDIUM5.5

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.

Опубликовано: 2021-05-27Изменено: 2025-04-11

CVSS 2.0СРЕДНЯЯ 4.3

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS 3.xСРЕДНЯЯ 5.5

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ссылки

Обновление пакета upx в ветке p9

Закрытые проблемы (24)

p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.

An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an allocation of excessive memory.

canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV or buffer overflow, and application crash) or possibly have unspecified other impact via a crafted UPX packed file.

A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service.

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.

A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.

A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service.

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.

A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

An invalid memory address reference was discovered in the adjABS function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.

A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.

A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.

An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

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.

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.