CVE Vulnerabilities

CVE-2017-7703

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Published: Apr 12, 2017 | Modified: Apr 20, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
5.9 MODERATE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the IMAP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-imap.c by calculating a lines end correctly.

Weakness

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Affected Software

NameVendorStart VersionEnd Version
WiresharkWireshark2.0.0 (including)2.0.0 (including)
WiresharkWireshark2.0.1 (including)2.0.1 (including)
WiresharkWireshark2.0.2 (including)2.0.2 (including)
WiresharkWireshark2.0.3 (including)2.0.3 (including)
WiresharkWireshark2.0.4 (including)2.0.4 (including)
WiresharkWireshark2.0.5 (including)2.0.5 (including)
WiresharkWireshark2.0.6 (including)2.0.6 (including)
WiresharkWireshark2.0.7 (including)2.0.7 (including)
WiresharkWireshark2.0.8 (including)2.0.8 (including)
WiresharkWireshark2.0.9 (including)2.0.9 (including)
WiresharkWireshark2.0.10 (including)2.0.10 (including)
WiresharkWireshark2.0.11 (including)2.0.11 (including)
WiresharkWireshark2.2.0 (including)2.2.0 (including)
WiresharkWireshark2.2.1 (including)2.2.1 (including)
WiresharkWireshark2.2.2 (including)2.2.2 (including)
WiresharkWireshark2.2.3 (including)2.2.3 (including)
WiresharkWireshark2.2.4 (including)2.2.4 (including)
WiresharkWireshark2.2.5 (including)2.2.5 (including)
WiresharkUbuntuartful*
WiresharkUbuntubionic*
WiresharkUbuntuesm-apps/bionic*
WiresharkUbuntuesm-apps/xenial*
WiresharkUbuntuesm-infra-legacy/trusty*
WiresharkUbuntuprecise*
WiresharkUbuntutrusty*
WiresharkUbuntutrusty/esm*
WiresharkUbuntuupstream*
WiresharkUbuntuxenial*
WiresharkUbuntuyakkety*
WiresharkUbuntuzesty*

Potential Mitigations

References