Vulnerability Details : CVE-2021-43814
Rizin is a UNIX-like reverse engineering framework and command-line toolset. In versions up to and including 0.3.1 there is a heap-based out of bounds write in parse_die() when reversing an AMD64 ELF binary with DWARF debug info. When a malicious AMD64 ELF binary is opened by a victim user, Rizin may crash or execute unintended actions. No workaround are known and users are advised to upgrade.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-43814
- cpe:2.3:a:rizin:rizin:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43814
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43814
| 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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.7
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
1.0
|
6.0
|
GitHub, Inc. |
CWE ids for CVE-2021-43814
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-43814
-
https://github.com/rizinorg/rizin/security/advisories/GHSA-hqqp-vjcm-mw8r
Heap-based OOB write when parsing dwarf DIE info in Rizin · Advisory · rizinorg/rizin · GitHubThird Party Advisory
-
https://github.com/rizinorg/rizin/commit/aa6917772d2f32e5a7daab25a46c72df0b5ea406
Fix oob write for dwarf with abbrev with count 0 (Fix #2083) (#2086) · rizinorg/rizin@aa69177 · GitHubPatch;Third Party Advisory
-
https://github.com/rizinorg/rizin/issues/2083
Heap-based OOB write when parsing dwarf die info · Issue #2083 · rizinorg/rizin · GitHubThird Party Advisory
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