Vulnerability Details : CVE-2018-20459
In radare2 through 3.1.3, the armass_assemble function in libr/asm/arch/arm/armass.c allows attackers to cause a denial-of-service (application crash by out-of-bounds read) by crafting an arm assembly input because a loop uses an incorrect index in armass.c and certain length validation is missing in armass64.c, a related issue to CVE-2018-20457.
Vulnerability category: Denial of service
Products affected by CVE-2018-20459
- cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20459
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20459
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-20459
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20459
-
https://github.com/radareorg/radare2/commit/e5c14c167b0dcf0a53d76bd50bacbbcc0dfc1ae7
Fix #12417/#12418 (arm assembler heap overflows) · radareorg/radare2@e5c14c1 · GitHubPatch;Vendor Advisory
-
https://github.com/radare/radare2/issues/12418
AddressSanitizer: heap-buffer-overflow (OOB read) at libr/asm/arch/arm/armass.c:6549 · Issue #12418 · radare/radare2 · GitHubExploit;Patch;Third Party Advisory
Jump to