Vulnerability Details : CVE-2021-3487
There's a flaw in the BFD library of binutils in versions before 2.36. An attacker who supplies a crafted file to an application linked with BFD, and using the DWARF functionality, could cause an impact to system availability by way of excessive memory consumption.
Vulnerability category: Input validation
Products affected by CVE-2021-3487
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3487
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3487
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-3487
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
-
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: secalert@redhat.com (Secondary)
References for CVE-2021-3487
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNBNDMJWZOQYCEZXENHBSM6DBZ332UZZ/
[SECURITY] Fedora 33 Update: mingw-binutils-2.34-8.fc33 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1947111
1947111 – (CVE-2021-3487) CVE-2021-3487 binutils: excessive debug section size can cause excessive memory consumption in bfd's dwarf2.c read_section()Issue Tracking;Patch;Third Party Advisory
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https://security.gentoo.org/glsa/202208-30
GNU Binutils: Multiple Vulnerabilities (GLSA 202208-30) — Gentoo securityThird Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3Z3KSJY3CLAAFFT7FNFCJOMDITPQGN56/
[SECURITY] Fedora 34 Update: mingw-binutils-2.34-8.fc34 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q6V2LF5AVOUTHPYY2O5TRNAIXVMXFDGL/
[SECURITY] Fedora 32 Update: mingw-binutils-2.32-10.fc32 - package-announce - Fedora Mailing-ListsThird Party Advisory
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