Out-of-Bounds Affecting openssl package, versions <1.0.2c-1ubuntu1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
24.65% (97th percentile)

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  • Snyk IDSNYK-UBUNTU1604-OPENSSL-374400
  • published12 Jun 2015
  • disclosed12 Jun 2015

Introduced: 12 Jun 2015

CVE-2015-1789  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 openssl to version 1.0.2c-1ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1