SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-1789

The X509_cmp_time function in crypto/x509/x509_vfy.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a…

HIGH 7.5EPSS 74.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 74.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

The X509_cmp_time function in crypto/x509/x509_vfy.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted length field in ASN1_TIME data, as demonstrated by an attack against a server that supports client authentication with a custom verification callback.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
74.48% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
openssl/openssl · oracle/sparc-opl service processor
Source
secalert@redhat.com

References

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