Vulnerability Details : CVE-2017-9949
The grub_memmove function in shlr/grub/kern/misc.c in radare2 1.5.0 allows remote attackers to cause a denial of service (stack-based buffer underflow and application crash) or possibly have unspecified other impact via a crafted binary file, possibly related to a buffer underflow in fs/ext2.c in GNU GRUB 2.02.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2017-9949
- cpe:2.3:a:radare:radare2:1.5.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9949
0.34%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9949
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-9949
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-9949
-
http://www.securityfocus.com/bid/99305
radare2 'shlr/grub/kern/misc.c' Remote Denial Of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://github.com/radare/radare2/commit/796dd28aaa6b9fa76d99c42c4d5ff8b257cc2191
Fix ext2 buffer overflow in r2_sbu_grub_memmove · radare/radare2@796dd28 · GitHubThird Party Advisory
-
https://github.com/radare/radare2/issues/7683
Stack buffer underflow in grub_memmove() · Issue #7683 · radare/radare2 · GitHubThird Party Advisory
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