Vulnerability in Freebsd

CVE-2003-0078

ssl3_get_record in s3_pkt.c for OpenSSL before 0.9.7a and 0.9.6 before 0.9.6i does not perform a MAC computation if an incorrect block cipher padding is used, which causes an information leak (timing discrepancy) that may make it easier to launch cryptographic attacks that rely on distinguishing between padding and MAC verification errors, possibly leading to extraction of the original plaintext, aka the "Vaudenay timing attack."

EPSS: 0.137 (96.1th percentile) — read the EPSS interpretation.

Affected products

  • Freebsd — versions 4.2, 4.3, 4.4
  • Openbsd — versions 3.1, 3.2
  • Openssl — versions 0.9.6i, 0.9.7
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_OSVDB, vdb-entry, Broken Link)
  • cve@mitre.org (vdb-entry, Broken Link, Vendor Advisory, x_refsource_XF)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Broken Link, Vendor Advisory)
  • cve@mitre.org (vendor-advisory, x_refsource_TRUSTIX, Broken Link)
  • cve@mitre.org (vendor-advisory, Broken Link, x_refsource_DEBIAN, Vendor Advisory)
  • cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Broken Link)
  • cve@mitre.org (vendor-advisory, x_refsource_ENGARDE, Broken Link)
  • cve@mitre.org (government-resource, Broken Link, x_refsource_CIAC, third-party-advisory)
  • cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, Third Party Advisory)
  • cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Broken Link)

Frequently asked questions

What is CVE-2003-0078?
CVE-2003-0078 is a vulnerability in Freebsd, classified under Observable Discrepancy. Published 2003-03-03.
Is CVE-2003-0078 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.