CVE-2015-1789

Publication date 11 June 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openssl	19.04 disco	Fixed 1.0.2c-1ubuntu1
	18.10 cosmic	Fixed 1.0.2c-1ubuntu1
	18.04 LTS bionic	Fixed 1.0.2c-1ubuntu1
	17.10 artful	Fixed 1.0.2c-1ubuntu1
	17.04 zesty	Fixed 1.0.2c-1ubuntu1
	16.10 yakkety	Fixed 1.0.2c-1ubuntu1
	16.04 LTS xenial	Fixed 1.0.2c-1ubuntu1
	15.10 wily	Fixed 1.0.2c-1ubuntu1
	15.04 vivid	Fixed 1.0.1f-1ubuntu11.4
	14.10 utopic	Fixed 1.0.1f-1ubuntu9.8
	14.04 LTS trusty	Fixed 1.0.1f-1ubuntu2.15
	12.04 LTS precise	Fixed 1.0.1-4ubuntu5.31
openssl098	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	15.10 wily	Not in release
	15.04 vivid	Ignored end of life
	14.10 utopic	Ignored end of life
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)