CVE-2016-2108

Publication date 3 May 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openssl	19.04 disco	Fixed 1.0.2g-1ubuntu5
	18.10 cosmic	Fixed 1.0.2g-1ubuntu5
	18.04 LTS bionic	Fixed 1.0.2g-1ubuntu5
	17.10 artful	Fixed 1.0.2g-1ubuntu5
	17.04 zesty	Fixed 1.0.2g-1ubuntu5
	16.10 yakkety	Fixed 1.0.2g-1ubuntu5
	16.04 LTS xenial	Fixed 1.0.2g-1ubuntu4.1
	15.10 wily	Fixed 1.0.2d-0ubuntu1.5
	14.04 LTS trusty	Fixed 1.0.1f-1ubuntu2.19
	12.04 LTS precise	Fixed 1.0.1-4ubuntu5.36
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
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life

Notes

mdeslaur

requires two commits, both required for vulnerability first part already in wily+

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
openssl	Upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=32d3b0f52f77ce86d53f38685336668d47c5bdfe Upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=3661bb4e7934668bd99ca777ea8b30eedfafa871

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-2959-1
OpenSSL vulnerabilities
3 May 2016