Vulnerability Details : CVE-2020-35493
A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.
Vulnerability category: OverflowInput validation
Products affected by CVE-2020-35493
- cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:hci_compute_node_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-35493
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-35493
| 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-2020-35493
-
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: secalert@redhat.com (Primary)
-
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: secalert@redhat.com (Primary)
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: secalert@redhat.com (Primary)
References for CVE-2020-35493
-
https://bugzilla.redhat.com/show_bug.cgi?id=1911437
1911437 – (CVE-2020-35493) CVE-2020-35493 binutils: heap-based buffer overflow in bfd_pef_parse_function_stubs function in bfd/pef.c via crafted PEF fileExploit;Issue Tracking;Patch;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
[SECURITY] Fedora 32 Update: mingw-binutils-2.32-9.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20210212-0007/
January 2021 GNU Binutils Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://security.gentoo.org/glsa/202107-24
Binutils: Multiple vulnerabilities (GLSA 202107-24) — Gentoo securityThird Party Advisory
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