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Vulnerability record · CVE-2014-3677 · published 22 October 2014

CVE-2014-3677: Redhat shim vulnerability

Redhat · Shim

Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which triggers memory corruption.

7.5 CVSS 2.0 High EPSS 2.7% · top 14.4%
7.5CVSS 2.0 base score
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which triggers memory corruption.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2014-1801.html Broken Link
http://www.openwall.com/lists/oss-security/2014/10/13/4 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/70410 Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/96989 Third Party AdvisoryVDB Entry
http://rhn.redhat.com/errata/RHSA-2014-1801.html Broken Link
http://www.openwall.com/lists/oss-security/2014/10/13/4 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/70410 Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/96989 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.3CVE-2023-40547Redhat shim out-of-bounds write vulnerabilityA remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This …EPSS 5.4%7.8CVE-2022-28737Redhat shim out-of-bounds write vulnerabilityThere's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into acc…EPSS 0.33%7.5CVE-2014-3676Redhat shim out-of-bounds write vulnerabilityHeap-based buffer overflow in Shim allows remote attackers to execute arbitrary code via a crafted IPv6 address, related to the "tftp:// DHCPv6 boot …EPSS 5.2%7.4CVE-2023-40548Redhat shim integer overflow vulnerabilityA buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed …EPSS 0.44%5.5CVE-2023-40546Redhat shim null pointer dereference vulnerabilityA flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an err…EPSS 0.44%5.5CVE-2023-40549Redhat shim out-of-bounds read vulnerabilityAn out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an atta…EPSS 0.41%5.5CVE-2023-40550Redhat shim out-of-bounds read vulnerabilityAn out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's…EPSS 0.40%5.1CVE-2023-40551Redhat shim out-of-bounds read vulnerabilityA flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during t…EPSS 0.40%

Source: NIST National Vulnerability Database (record CVE-2014-3677), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.