Double free vulnerability in OpenSSL 0.9.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an SSL client certificate with a certain invalid ASN.1 encoding.
Published 2003-11-17 05:00:00
Updated 2024-02-02 15:23:34
Source MITRE
View at NVD,
Vulnerability category: Memory CorruptionExecute codeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2003-0545

Probability of exploitation activity in the next 30 days EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2003-0545

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
NIST 2024-02-02

CWE ids for CVE-2003-0545

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: (Primary)
  • The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
    Assigned by: (Primary)

Vendor statements for CVE-2003-0545

  • Red Hat 2008-07-07
    Not vulnerable. The OpenSSL packages in Red Hat Enterprise Linux 2.1 were not affected by this issue. The OpenSSL packages in Red Hat Enterprise Linux 3 and 4 contain a backported patch since their initial release (openssl), or were not affected by this issue (openssl096b). The OpenSSL packages in Red Hat Enterprise Linux 5 are based on fixed upstream release (openssl), or contain backported patch since their initial release (openssl097a).

References for CVE-2003-0545

Products affected by CVE-2003-0545

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