Vulnerability Details : CVE-2022-27943
Potential exploit
libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.
Products affected by CVE-2022-27943
- cpe:2.3:a:gnu:gcc:11.2:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-27943
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-27943
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-2022-27943
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-27943
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039
105039 – rust demangler stack overflowExploit;Issue Tracking;Vendor Advisory
-
https://sourceware.org/bugzilla/show_bug.cgi?id=28995
28995 – [BUG] stack exhausion in nm-new, function demangle_constExploit;Issue Tracking;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
[SECURITY] Fedora 36 Update: mingw-gcc-11.2.1-6.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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