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.

Are you affected by CVE-2009-4355?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST