CVE-2009-4355

UnknownEPSS 8.94%

Last modified

CVE-2009-4355 is a vulnerability of currently unknown severity. Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function, as demonstrated by use of SSLv3 and PHP with the Apache HTTP Server, a related issue to CVE-2008-1678.. EPSS estimates a 8.94% chance of exploitation in the next 30 days.

Description

Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function, as demonstrated by use of SSLv3 and PHP with the Apache HTTP Server, a related issue to CVE-2008-1678.

Metrics

EPSS Probability
8.94%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
OpensslOpenssl<= 0.9.8l—
OpensslOpenssl0.9.1c—
OpensslOpenssl0.9.2b—
OpensslOpenssl0.9.3—
OpensslOpenssl0.9.3a—
OpensslOpenssl0.9.4—
OpensslOpenssl0.9.5—
OpensslOpenssl0.9.5a—
OpensslOpenssl0.9.6—
OpensslOpenssl0.9.6a—
OpensslOpenssl0.9.6b—
OpensslOpenssl0.9.6c—
OpensslOpenssl0.9.6d—
OpensslOpenssl0.9.6e—
OpensslOpenssl0.9.6f—
OpensslOpenssl0.9.6g—
OpensslOpenssl0.9.6h—
OpensslOpenssl0.9.6i—
OpensslOpenssl0.9.6j—
OpensslOpenssl0.9.6k—
OpensslOpenssl0.9.6l—
OpensslOpenssl0.9.6m—
OpensslOpenssl0.9.7—
OpensslOpenssl0.9.7a—
OpensslOpenssl0.9.7b—
OpensslOpenssl0.9.7c—
OpensslOpenssl0.9.7d—
OpensslOpenssl0.9.7e—
OpensslOpenssl0.9.7f—
OpensslOpenssl0.9.7g—
OpensslOpenssl0.9.7h—
OpensslOpenssl0.9.7i—
OpensslOpenssl0.9.7j—
OpensslOpenssl0.9.7k—
OpensslOpenssl0.9.7l—
OpensslOpenssl0.9.7m—
OpensslOpenssl0.9.8—
OpensslOpenssl0.9.8a—
OpensslOpenssl0.9.8b—
OpensslOpenssl0.9.8c—
OpensslOpenssl0.9.8d—
OpensslOpenssl0.9.8e—
OpensslOpenssl0.9.8f—
OpensslOpenssl0.9.8g—
OpensslOpenssl0.9.8h—
OpensslOpenssl0.9.8i—
OpensslOpenssl0.9.8j—
OpensslOpenssl0.9.8k—
RedhatOpenssl0.9.6-15—
RedhatOpenssl0.9.6b-3—

Showing 50 of 52 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-4355?
Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function, as demonstrated by use of SSLv3 and PHP with the Apache HTTP Server, a related issue to CVE-2008-1678.
How severe is CVE-2009-4355?
Severity scoring for CVE-2009-4355 is pending analysis. The EPSS model estimates a 8.94% probability of exploitation in the next 30 days.
How do I fix CVE-2009-4355?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Related CVEs from 2009

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Source: NVD / NIST