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gentooGentoo FoundationGLSA-201612-06
HistoryDec 04, 2016 - 12:00 a.m.

nghttp2: Heap-use-after-free

2016-12-0400:00:00
Gentoo Foundation
security.gentoo.org
30

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.021 Low

EPSS

Percentile

89.1%

Background

Nghttp2 is an implementation of HTTP/2 and its header compression algorithm HPACK in C.

Description

A heap-use-after-free vulnerability has been discovered in nghttp2. Please review the CVE identifier referenced below for details.

Impact

The impact of the vulnerability is still unknown.

Workaround

There is no known workaround at this time.

Resolution

All nghttp2 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-libs/nghttp2-1.6.0"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-libs/nghttp2< 1.6.0UNKNOWN

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.021 Low

EPSS

Percentile

89.1%