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THREATINT
PUBLISHED

CVE-2025-5643

Radare2 radiff2 cons.c cons_stack_load memory corruption



Description

EN DE

A vulnerability classified as problematic was found in Radare2 5.9.9. Affected by this vulnerability is the function cons_stack_load in the library /libr/cons/cons.c of the component radiff2. The manipulation of the argument -T leads to memory corruption. An attack has to be approached locally. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The patch is named 5705d99cc1f23f36f9a84aab26d1724010b97798. It is recommended to apply a patch to fix this issue. The documentation explains that the parameter -T is experimental and "crashy". Further analysis has shown "the race is not a real problem unless you use asan". A new warning has been added.

In Radare2 5.9.9 wurde eine problematische Schwachstelle entdeckt. Das betrifft die Funktion cons_stack_load in der Bibliothek /libr/cons/cons.c der Komponente radiff2. Durch das Manipulieren des Arguments -T mit unbekannten Daten kann eine memory corruption-Schwachstelle ausgenutzt werden. Der Angriff muss lokal angegangen werden. Die Komplexität eines Angriffs ist eher hoch. Sie gilt als schwierig ausnutzbar. Der Exploit steht zur öffentlichen Verfügung. Zur Zeit ist nicht genau klar, ob diese Schwachstelle in der besagten Form wirklich existiert. Der Patch wird als 5705d99cc1f23f36f9a84aab26d1724010b97798 bezeichnet. Als bestmögliche Massnahme wird Patching empfohlen.

Reserved 2025-06-04 | Published 2025-06-05 | Updated 2025-06-05 | Assigner VulDB


LOW: 2.0CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
LOW: 2.5CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
LOW: 2.5CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
1.0AV:L/AC:H/Au:S/C:N/I:N/A:P

Problem types

Memory Corruption

Timeline

2025-06-04:Advisory disclosed
2025-06-04:VulDB entry created
2025-06-04:VulDB entry last update

Credits

rootsec (VulDB User) reporter

References

vuldb.com/?id.311131 (VDB-311131 | Radare2 radiff2 cons.c cons_stack_load memory corruption) vdb-entry technical-description

vuldb.com/?ctiid.311131 (VDB-311131 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.586912 (Submit #586912 | radare2 radiff2 5.9.9 and master branch Memory corruption) third-party-advisory

github.com/radareorg/radare2/issues/24232 issue-tracking

github.com/radareorg/radare2/issues/24232 issue-tracking

drive.google.com/...-9a9Cxhld8sdEE-0PF3lxvB/view?usp=sharing exploit

github.com/...ommit/5705d99cc1f23f36f9a84aab26d1724010b97798 patch

cve.org (CVE-2025-5643)

nvd.nist.gov (CVE-2025-5643)

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