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Test ID:1.3.6.1.4.1.25623.1.1.2.2020.2300
Category:Huawei EulerOS Local Security Checks
Title:Huawei EulerOS: Security Advisory for squid (EulerOS-SA-2020-2300)
Summary:The remote host is missing an update for the Huawei EulerOS; 'squid' package(s) announced via the EulerOS-SA-2020-2300 advisory.
Description:Summary:
The remote host is missing an update for the Huawei EulerOS
'squid' package(s) announced via the EulerOS-SA-2020-2300 advisory.

Vulnerability Insight:
Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF.(CVE-2020-24606)

An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the browser cache and any downstream caches with content from an arbitrary source. Squid uses a string search instead of parsing the Transfer-Encoding header to find chunked encoding. This allows an attacker to hide a second request inside Transfer-Encoding: it is interpreted by Squid as chunked and split out into a second request delivered upstream. Squid will then deliver two distinct responses to the client, corrupting any downstream caches.(CVE-2020-15811)

Affected Software/OS:
'squid' package(s) on Huawei EulerOS V2.0SP5.

Solution:
Please install the updated package(s).

CVSS Score:
7.1

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-15811
Common Vulnerability Exposure (CVE) ID: CVE-2020-24606
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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