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ubuntucveUbuntu.comUB:CVE-2020-11100
HistoryApr 02, 2020 - 12:00 a.m.

CVE-2020-11100

2020-04-0200:00:00
ubuntu.com
ubuntu.com
10

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.028 Low

EPSS

Percentile

90.5%

In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8
through 2.x before 2.1.4, a remote attacker can write arbitrary bytes
around a certain location on the heap via a crafted HTTP/2 request,
possibly causing remote code execution.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchhaproxy< 1.8.8-1ubuntu0.10UNKNOWN
ubuntu19.10noarchhaproxy< 2.0.5-1ubuntu0.4UNKNOWN

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.028 Low

EPSS

Percentile

90.5%