Out-of-bounds Write Affecting haproxy package, versions <1.8.19-1+deb10u2


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    2.8% (91st percentile)

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  • Snyk ID SNYK-DEBIAN10-HAPROXY-564253
  • published 2 Apr 2020
  • disclosed 2 Apr 2020

How to fix?

Upgrade Debian:10 haproxy to version 1.8.19-1+deb10u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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.

CVSS Scores

version 3.1
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NVD

8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

8.8 high
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Red Hat

8.8 high