RHSA-2020:1047 - Security Advisory

Topic

An update for wireshark is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

• wireshark: Out-of-bounds read in packet-ldss.c (CVE-2018-11362)
• wireshark: Multiple dissectors could crash (wnpa-sec-2018-36) (CVE-2018-14340)
• wireshark: DICOM dissector infinite loop (wnpa-sec-2018-39) (CVE-2018-14341)
• wireshark: Bazaar dissector infinite loop (wnpa-sec-2018-40) (CVE-2018-14368)
• wireshark: SIGCOMP dissector crash in packet-sigcomp.c (CVE-2018-7418)
• wireshark: Radiotap dissector crash (CVE-2018-16057)
• wireshark: Infinite loop in the MMSE dissector (CVE-2018-19622)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Wireshark must be restarted for the update to take effect.

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 1549305 - CVE-2018-7418 wireshark: SIGCOMP dissector crash in packet-sigcomp.c
• BZ - 1581787 - CVE-2018-11362 wireshark: Out-of-bounds read in packet-ldss.c
• BZ - 1607323 - CVE-2018-14340 wireshark: Multiple dissectors could crash (wnpa-sec-2018-36)
• BZ - 1607326 - CVE-2018-14341 wireshark: DICOM dissector infinite loop (wnpa-sec-2018-39)
• BZ - 1607327 - CVE-2018-14368 wireshark: Bazaar dissector infinite loop (wnpa-sec-2018-40)
• BZ - 1625925 - CVE-2018-16057 wireshark: Radiotap dissector crash
• BZ - 1655932 - CVE-2018-19622 wireshark: Infinite loop in the MMSE dissector

CVEs

• CVE-2018-7418
• CVE-2018-11362
• CVE-2018-14340
• CVE-2018-14341
• CVE-2018-14368
• CVE-2018-16057
• CVE-2018-19622

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index