SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-0591

The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but…

LOW 2.6EPSS 2.73%

Does this matter?

Lower severity and a low EPSS score (2.73%). Track it; it rarely justifies an emergency change on its own.

Description

The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.

CVSS 2.0
2.6 LOWAV:N/AC:H/Au:N/C:N/I:P/A:N
EPSS
2.73% probability · 85th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
openssl/openssl
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.