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CVE-2017-17997

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was...

7.5 HighFix available

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.81%Up 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
CVE-2017-17997
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
CVE-2017-17997
Updated
2026-11-02
EUVDEUVD-2017-9139 No score

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
EUVD-2017-9139
Updated
2026-11-03
GitHub AdvisoriesGHSA-rc73-pc24-f3rr 7.5

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was...

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
GHSA-rc73-pc24-f3rr
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSVALPINE-CVE-2017-17997 7.5

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
ALPINE-CVE-2017-17997
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 7.5

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
CVE-2017-17997
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVDEBIAN-CVE-2017-17997 7.5

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
DEBIAN-CVE-2017-17997
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-17997 7.5

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Record
UBUNTU-CVE-2017-17997
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2018-0071 No score

Updated wireshark packages fix security vulnerabilities

The MRDISC dissector could crash (CVE-2017-17997).

The IxVeriWave file parser could crash (CVE-2018-5334).

The WCP dissector could crash (CVE-2018-5335).

Multiple dissectors could crash (CVE-2018-5336).

Prior to this release dumpcap enabled the Linux kernel’s BPF JIT compiler via the net.core.bpf_jit_enable sysctl. This could make systems more vulnerable to Spectre variant 1 and this feature has been removed (CVE-2017-5753).

Record
MGASA-2018-0071
Updated
2026-11-02
OSVSUSE-SU-2018:0811-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Security issue fixed (bsc#1082692):

  • CVE-2018-7335: The IEEE 802.11 dissector could crash (wnpa-sec-2018-05)
  • CVE-2018-7321: thrift long dissector loop (dissect_thrift_map)
  • CVE-2018-7322: DICOM: inifinite loop (dissect_dcm_tag)
  • CVE-2018-7323: WCCP: very long loop (dissect_wccp2_alternate_mask_value_set_element)
  • CVE-2018-7324: SCCP: infinite loop (dissect_sccp_optional_parameters)
  • CVE-2018-7325: RPKI-Router Protocol: infinite loop (dissect_rpkirtr_pdu)
  • CVE-2018-7326: LLTD: infinite loop (dissect_lltd_tlv)
  • CVE-2018-7327: openflow_v6: infinite loop (dissect_openflow_bundle_control_v6)
  • CVE-2018-7328: USB-DARWIN: long loop (dissect_darwin_usb_iso_transfer)
  • CVE-2018-7329: S7COMM: infinite loop (s7comm_decode_ud_cpu_alarm_main)
  • CVE-2018-7330: thread_meshcop: infinite loop (get_chancount)
  • CVE-2018-7331: GTP: infinite loop (dissect_gprscdr_GGSNPDPRecord, dissect_ber_set)
  • CVE-2018-7332: RELOAD: infinite loop (dissect_statans)
  • CVE-2018-7333: RPCoRDMA: infinite loop in get_write_list_chunk_count
  • CVE-2018-7421: Multiple dissectors could go into large infinite loops (wnpa-sec-2018-06)
  • CVE-2018-7334: The UMTS MAC dissector could crash (wnpa-sec-2018-07)
  • CVE-2018-7337: The DOCSIS dissector could crash (wnpa-sec-2018-08)
  • CVE-2018-7336: The FCP dissector could crash (wnpa-sec-2018-09)
  • CVE-2018-7320: The SIGCOMP dissector could crash (wnpa-sec-2018-10)
  • CVE-2018-7420: The pcapng file parser could crash (wnpa-sec-2018-11)
  • CVE-2018-7417: The IPMI dissector could crash (wnpa-sec-2018-12)
  • CVE-2018-7418: The SIGCOMP dissector could crash (wnpa-sec-2018-13)
  • CVE-2018-7419: The NBAP disssector could crash (wnpa-sec-2018-14)
  • CVE-2017-17997: Misuse of NULL pointer in MRDISC dissector (bsc#1077080).
Record
SUSE-SU-2018:0811-1
Updated
2026-11-02
OSVSUSE-SU-2018:0867-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Security issue fixed (bsc#1082692):

  • CVE-2018-7335: The IEEE 802.11 dissector could crash (wnpa-sec-2018-05)
  • CVE-2018-7321: thrift long dissector loop (dissect_thrift_map)
  • CVE-2018-7322: DICOM: inifinite loop (dissect_dcm_tag)
  • CVE-2018-7323: WCCP: very long loop (dissect_wccp2_alternate_mask_value_set_element)
  • CVE-2018-7324: SCCP: infinite loop (dissect_sccp_optional_parameters)
  • CVE-2018-7325: RPKI-Router Protocol: infinite loop (dissect_rpkirtr_pdu)
  • CVE-2018-7326: LLTD: infinite loop (dissect_lltd_tlv)
  • CVE-2018-7327: openflow_v6: infinite loop (dissect_openflow_bundle_control_v6)
  • CVE-2018-7328: USB-DARWIN: long loop (dissect_darwin_usb_iso_transfer)
  • CVE-2018-7329: S7COMM: infinite loop (s7comm_decode_ud_cpu_alarm_main)
  • CVE-2018-7330: thread_meshcop: infinite loop (get_chancount)
  • CVE-2018-7331: GTP: infinite loop (dissect_gprscdr_GGSNPDPRecord, dissect_ber_set)
  • CVE-2018-7332: RELOAD: infinite loop (dissect_statans)
  • CVE-2018-7333: RPCoRDMA: infinite loop in get_write_list_chunk_count
  • CVE-2018-7421: Multiple dissectors could go into large infinite loops (wnpa-sec-2018-06)
  • CVE-2018-7334: The UMTS MAC dissector could crash (wnpa-sec-2018-07)
  • CVE-2018-7337: The DOCSIS dissector could crash (wnpa-sec-2018-08)
  • CVE-2018-7336: The FCP dissector could crash (wnpa-sec-2018-09)
  • CVE-2018-7320: The SIGCOMP dissector could crash (wnpa-sec-2018-10)
  • CVE-2018-7420: The pcapng file parser could crash (wnpa-sec-2018-11)
  • CVE-2018-7417: The IPMI dissector could crash (wnpa-sec-2018-12)
  • CVE-2018-7418: The SIGCOMP dissector could crash (wnpa-sec-2018-13)
  • CVE-2018-7419: The NBAP disssector could crash (wnpa-sec-2018-14)
  • CVE-2017-17997: Misuse of NULL pointer in MRDISC dissector (bsc#1077080).
Record
SUSE-SU-2018:0867-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.5
 before 2.2.12-r0
2.2.12-r0
wireshark
Debian:12
 before 2.4.0-1
2.4.0-1
wireshark
Debian:13
 before 2.4.0-1
2.4.0-1
wireshark
Debian:14
 before 2.4.0-1
2.4.0-1
wireshark
Debian:8
From an advisory covering 41 CVEs
 before 1.12.1+g01b65bf-4+deb8u16, plus listed versions
1.12.1+g01b65bf-41.12.1+g01b65bf-4+deb8u11.12.1+g01b65bf-4+deb8u101.12.1+g01b65bf-4+deb8u111.12.1+g01b65bf-4+deb8u12
Show 22 moreShow less
1.12.1+g01b65bf-4+deb8u131.12.1+g01b65bf-4+deb8u141.12.1+g01b65bf-4+deb8u151.12.1+g01b65bf-4+deb8u21.12.1+g01b65bf-4+deb8u31.12.1+g01b65bf-4+deb8u41.12.1+g01b65bf-4+deb8u51.12.1+g01b65bf-4+deb8u61.12.1+g01b65bf-4+deb8u6~deb7u11.12.1+g01b65bf-4+deb8u6~deb7u101.12.1+g01b65bf-4+deb8u6~deb7u111.12.1+g01b65bf-4+deb8u6~deb7u21.12.1+g01b65bf-4+deb8u6~deb7u31.12.1+g01b65bf-4+deb8u6~deb7u41.12.1+g01b65bf-4+deb8u6~deb7u51.12.1+g01b65bf-4+deb8u6~deb7u61.12.1+g01b65bf-4+deb8u6~deb7u71.12.1+g01b65bf-4+deb8u6~deb7u81.12.1+g01b65bf-4+deb8u6~deb7u91.12.1+g01b65bf-4+deb8u71.12.1+g01b65bf-4+deb8u81.12.1+g01b65bf-4+deb8u9
1.12.1+g01b65bf-4+deb8u16
wireshark
Mageia:6
From an advisory covering 5 CVEs
 before 2.2.12-1.mga6
2.2.12-1.mga6
wireshark
SUSE:Linux Enterprise Desktop 12 SP2
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Software Development Kit 12 SP2
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
Show 11 moreShow less
Affected packages
PackageAffectedFixed
wireshark
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Server 12 SP2
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 24 CVEs
 before 2.2.13-48.21.1
2.2.13-48.21.1
wireshark
SUSE:Linux Enterprise Software Development Kit 11 SP4
From an advisory covering 24 CVEs
 before 2.2.13-40.22.1
2.2.13-40.22.1
wireshark
SUSE:Linux Enterprise Server 11 SP4
From an advisory covering 24 CVEs
 before 2.2.13-40.22.1
2.2.13-40.22.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
From an advisory covering 24 CVEs
 before 2.2.13-40.22.1
2.2.13-40.22.1
wireshark
Ubuntu:14.04:LTS
 before 2.6.3-1~ubuntu14.04.1, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-11.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1
2.6.3-1~ubuntu14.04.1
wireshark
Ubuntu:16.04:LTS
 before 2.6.3-1~ubuntu16.04.1, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04
2.6.3-1~ubuntu16.04.1
wireshark
Ubuntu:18.04:LTS
 before 2.6.3-1~ubuntu18.04.1, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-1
2.6.3-1~ubuntu18.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-17997 is a high vulnerability (CVSS 7.5) in Wireshark, published December 30, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.81%, the 78th percentile. Fixed in wireshark 2.2.12-r0.

References

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