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openSUSE: 2020:0142-1 Moderate: Shadowsocks-libev DoS and Code Exec Issues

opensuse
Calendar Grey January 29, 2020
Dist Opensuse Esm H88
Shadowsocks-libev has released updates to resolve critical vulnerabilities, such as denial of service (DoS) and potential code execution flaws, significantly improving security measures.
An update that fixes two vulnerabilities is now available.

Description

This update for shadowsocks-libev fixes the following issues:

- Update version to 3.3.3

* Refine the handling of suspicious connections.

* Fix exploitable denial-of-service vulnerability exists in the UDPRelay

functionality (boo#1158251, CVE-2019-5163)

* Fix code execution vulnerability in the ss-manager binary

(boo#1158365, CVE-2019-5164)

* Refine the handling of fragment request.

* Fix a high CPU bug introduced in 3.3.0. (#2449)

* Enlarge the socket buffer size to 16KB.

* Fix the empty list bug in ss-manager.

* Fix the IPv6 address parser.

* Fix a bug of port parser.

* Fix a crash with MinGW.

* Refine SIP003 plugin interface.

* Remove connection timeout from all clients.

* Fix the alignment bug again.

* Fix a bug on 32-bit arch.

* Add TCP fast open support to ss-tunnel by @PantherJohn.

This update was imported from the openSUSE:Leap:15.1:Update update project.

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Backports SLE-15-SP1:

zypper in -t patch openSUSE-2020-142=1

Package List

- openSUSE Backports SLE-15-SP1 (aarch64 ppc64le s390x x86_64):

libshadowsocks-libev2-3.3.3-bp151.5.3.1

shadowsocks-libev-3.3.3-bp151.5.3.1

shadowsocks-libev-devel-3.3.3-bp151.5.3.1

- openSUSE Backports SLE-15-SP1 (noarch):

shadowsocks-libev-doc-3.3.3-bp151.5.3.1

References

https://www.suse.com/security/cve/CVE-2019-5163.html

https://www.suse.com/security/cve/CVE-2019-5164.html

https://bugzilla.suse.com/1158251

https://bugzilla.suse.com/1158365

--

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2020:0142-1
Rating: moderate
Affected Products: openSUSE Backports SLE-15-SP1

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