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THREATINT
PUBLISHED

CVE-2025-2849

UPX p_lx_elf.cpp un_DT_INIT heap-based overflow



Description

EN DE

A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0. Affected is the function PackLinuxElf64::un_DT_INIT of the file src/p_lx_elf.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The patch is identified as e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2. It is recommended to apply a patch to fix this issue.

Es wurde eine Schwachstelle in UPX bis 5.0.0 gefunden. Sie wurde als problematisch eingestuft. Betroffen hiervon ist die Funktion PackLinuxElf64::un_DT_INIT der Datei src/p_lx_elf.cpp. Mittels Manipulieren mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff hat dabei lokal zu erfolgen. Der Exploit steht zur öffentlichen Verfügung. Der Patch wird als e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2 bezeichnet. Als bestmögliche Massnahme wird Patching empfohlen.

Reserved 2025-03-27 | Published 2025-03-27 | Updated 2025-03-27 | Assigner VulDB


MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P

Problem types

Heap-based Buffer Overflow

Memory Corruption

Timeline

2025-03-27:Advisory disclosed
2025-03-27:VulDB entry created
2025-03-27:VulDB entry last update

Credits

NPU Unmanned Systems Safety Laboratory (VulDB User) reporter

References

vuldb.com/?id.301494 (VDB-301494 | UPX p_lx_elf.cpp un_DT_INIT heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.301494 (VDB-301494 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.522371 (Submit #522371 | upx 5.0.0 Buffer Overflow) third-party-advisory

github.com/upx/upx/issues/898 issue-tracking

github.com/upx/upx/issues/898 issue-tracking

github.com/user-attachments/files/19307868/input.zip exploit

github.com/...ommit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2 patch

cve.org (CVE-2025-2849)

nvd.nist.gov (CVE-2025-2849)

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