The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3551 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-3551-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                       Guilhem Moulin     August 31, 2023                               https://wiki.debian.org/LTS
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    Package        : otrs2     Version        : 6.0.16-2+deb10u1     CVE ID         : CVE-2019-11358 CVE-2019-12248 CVE-2019-12497 CVE-2019-12746                      CVE-2019-13458 CVE-2019-16375 CVE-2019-18179 CVE-2019-18180                      CVE-2020-1765 CVE-2020-1766 CVE-2020-1767 CVE-2020-1769                      CVE-2020-1770 CVE-2020-1771 CVE-2020-1772 CVE-2020-1773                      CVE-2020-1774 CVE-2020-1776 CVE-2020-11022 CVE-2020-11023                      CVE-2021-21252 CVE-2021-21439 CVE-2021-21440 CVE-2021-21441                      CVE-2021-21443 CVE-2021-36091 CVE-2021-36100 CVE-2021-41182                      CVE-2021-41183 CVE-2021-41184 CVE-2022-4427 CVE-2023-38060     Debian Bug     : 945251 959448 980891 989992 991593

    Multiple vulnerabilities were found in otrs2, the Open-Source Ticket     Request System, which could lead to impersonation, denial of service,     information disclosure, or execution of arbitrary code.

    CVE-2019-11358

        A Prototype Pollution vulnerability was discovered in OTRS' embedded         jQuery 3.2.1 copy, which could allow sending drafted messages as         wrong agent.

        This vulnerability is also known as OSA-2020-05.

    CVE-2019-12248

        Matthias Terlinde discovered that when an attacker sends a malicious         email to an OTRS system and a logged in agent user later quotes it,         the email could cause the browser to load external image resources.

        A new configuration setting Ticket::Frontend::BlockLoadingRemoteContent         has been added as part of the fix.  It controls whether external         content should be loaded, and it is disabled by default.

        This vulnerability is also known as OSA-2019-08.

    CVE-2019-12497

        Jens Meister discovered that in the customer or external frontend,         personal information of agents, like Name and mail address in         external notes, could be disclosed.

        New configuration settings Ticket::Frontend::CustomerTicketZoom###DisplayNoteFrom         has been added as part of the fix.  It controls if agent information         should be displayed in external note sender field, or be substituted         with a different generic name.  Another option named         Ticket::Frontend::CustomerTicketZoom###DefaultAgentName can then         be used to define the generic agent name used in the latter case.
        By default, previous behavior is preserved, in which agent         information is divulged in the external note From field, for the         sake of backwards compatibility.

        This vulnerability is also known as OSA-2019-09.

    CVE-2019-12746

        A user logged into OTRS as an agent might unknowingly disclose their         session ID by sharing the link of an embedded ticket article with         third parties.  This identifier can be then potentially abused in         order to impersonate the agent user.

        This vulnerability is also known as OSA-2019-10.

    CVE-2019-13458

        An attacker who is logged into OTRS as an agent user with         appropriate permissions can leverage OTRS tags in templates in order         to disclose hashed user passwords.

        This vulnerability is also known as OSA-2019-12.

    CVE-2019-16375

        An attacker who is logged into OTRS as an agent or customer user         with appropriate permissions can create a carefully crafted string         containing malicious JavaScript code as an article body.  This         malicious code is executed when an agent compose an answer to the         original article.

        This vulnerability is also known as OSA-2019-13.

    CVE-2019-18179

        An attacker who is logged into OTRS as an agent is able to list         tickets assigned to other agents, which are in the queue where         attacker doesn't have permissions.

        This vulnerability is also known as OSA-2019-14.

    CVE-2019-18180

        OTRS can be put into an endless loop by providing filenames with         overly long extensions.  This applies to the PostMaster (sending in         email) and also upload (attaching files to mails, for example).

        This vulnerability is also known as OSA-2019-15.

    CVE-2020-1765

        Sebastian Renker and Jonas Becker discovered an improper control of         parameters, which allows the spoofing of the From fields in several         screens, namely AgentTicketCompose, AgentTicketForward,         AgentTicketBounce and AgentTicketEmailOutbound.

        This vulnerability is also known as OSA-2020-01.

    CVE-2020-1766

        Anton Astaf'ev discovered that due to improper handling of uploaded         images, it is possible  in very unlikely and rare conditions  to         force the agents browser to execute malicious JavaScript from a         special crafted SVG file rendered as inline jpg file.

        This vulnerability is also known as OSA-2020-02.

    CVE-2020-1767

        Agent A is able to save a draft (i.e., for customer reply).  Then         Agent B can open the draft, change the text completely and send it         in the name of Agent A.  For the customer it will not be visible         that the message was sent by another agent.

        This vulnerability is also known as OSA-2020-03.

    CVE-2020-1769

        Martin Mller discovered that in the login screens (in agent and         customer interface), Username and Password fields use autocomplete,         which might be considered as security issue.

        A new configuration setting DisableLoginAutocomplete has been         added as part of the fix.  It controls whether to disable         autocompletion in the login forms, by setting the         autocomplete=off attribute to the login input fields.  Note that         some browsers ignore it by default (usually it can be changed in the         browser configuration).

        This vulnerability is also known as OSA-2020-06.

    CVE-2020-1770

        Matthias Terlinde discovered that the support bundle generated files         could contain sensitive information, such as user credentials.

        This vulnerability is also known as OSA-2020-07.

    CVE-2020-1771

        Christoph Wuetschne discovered that an attacker is able craft an         article with a link to the customer address book with malicious         content (JavaScript).  When agent opens the link, JavaScript code is         executed due to the missing parameter encoding.

        This vulnerability is also known as OSA-2020-08.

    CVE-2020-1772

        Fabian Henneke discovered that it is possible to craft Lost Password         requests with wildcards in the Token value, which allows an attacker         to retrieve valid Token(s), generated by users which already         requested new passwords.

        This vulnerability is also known as OSA-2020-09.

    CVE-2020-1773

        Fabian Henneke discovered that an attacker with the ability to         generate session IDs or password reset tokens, either by being able         to authenticate or by exploiting CVE-2020-1772, may be able to         predict other users session IDs, password reset tokens and         automatically generated passwords.

        The fix adds libmath-random-secure-perl to otrs2's Depends:.

        This vulnerability is also known as OSA-2020-10.

    CVE-2020-1774

        When a user downloads PGP or S/MIME keys/certificates, exported file         has same name for private and public keys.  It is therefore possible         to mix them and to send private key to the third-party instead of         public key.

        This vulnerability is also known as OSA-2020-11.

    CVE-2020-1776

        When an agent user is renamed or set to invalid the session         belonging to the user is keept active.  The session can not be used         to access ticket data in the case the agent is invalid.

        This vulnerability is also known as OSA-2020-13.

    CVE-2020-11022

        Masato Kinugawa discovered a Potential XSS vulnerability in OTRS'         embedded jQuery 3.2.1's htmlPrefilter and related methods.

        The fix requires patching embedded copies of fullcalendar (3.4.0),         fullcalendar-scheduler (1.6.2) and spectrum (1.8.0).

        This vulnerability is also known as OSA-2020-14.

    CVE-2020-11023

        Masato Kinugawa discovered a Potential XSS vulnerability in OTRS'         embedded jQuery 3.2.1 copy when appending HTML containing option         elements.

        This vulnerability is also known as OSA-2020-14.

    CVE-2021-21252

        Erik Krogh Kristensen and Alvaro Muoz from the GitHub Security Lab         team discovered a Regular Expression Denial of Service (ReDoS)         vulnerability in OTRS' embedded jQuery-validate 1.16.0 copy.

    CVE-2021-21439

        A Denial of Service (DoS) attack can be performed when an email         contains specially designed URL in the body.  It can lead to the         high CPU usage and cause low quality of service, or in extreme case         bring the system to a halt.

        This vulnerability is also known as OSA-2021-09 or ZSA-2021-03.

    CVE-2021-21440

        Julian Droste and Mathias Terlinde discovered that the Generated         Support Bundles contains private S/MIME and PGP keys when the parent         directory is not hidden.  Furthermore, secrets and PIN for the keys         are not masked properly.

        This vulnerability is also known as OSA-2021-10 or ZSA-2021-08.

    CVE-2021-21441

        There is a Cross-Site Scripting (XSS) vulnerability in the ticket         overview screens.  It is possible to collect various information by         having an e-mail shown in the overview screen.  An attack can be         performed by sending specially crafted e-mail to the system, which         does not require any user interaction.

        This vulnerability is also known as OSA-2021-11 or ZSA-2021-06.

    CVE-2021-21443

        Agents are able to list customer user emails without required         permissions in the bulk action screen.

        This vulnerability is also known as OSA-2021-13 or ZSA-2021-09.

    CVE-2021-36091

        Agents are able to list appointments in the calendars without         required permissions.

        This vulnerability is also known as OSA-2021-14 or ZSA-2021-10.

    CVE-2021-36100

        Rayhan Ahmed and Maxime Brigaudeau discovered that a specially         crafted string in the system configuration allows execution of         arbitrary system command.

        The fix 1/ removes configurable system commands from generic agents;
        2/ removes the MIME-Viewer### settings (the system command in         SysConfig option MIME-Viewer is now only configurable via         Kernel/Config.pm); 3/ removes dashboard widget support for execution         of system commands; and 4/ deactivates support for execution of         configurable system commands from Sendmail and PostMaster pre-filter         configurations.

        This vulnerability is also known as OSA-2022-03 or ZSA-2022-02.

    CVE-2021-41182

        Esben Sparre Andreasen discovered an XSS vulnerability in the         `altField` option of the Datepicker widget in OTRS' embedded         jQuery-UI 1.12.1 copy.

        This vulnerability is also known as ZSA-2022-01.

    CVE-2021-41183

        Esben Sparre Andreasen discovered an XSS vulnerability in the         `*Text` options of the Datepicker widget in OTRS' embedded jQuery-UI         1.12.1 copy.

        This vulnerability is also known as ZSA-2022-01.

    CVE-2021-41184

        Esben Sparre Andreasen discovered an XSS vulnerability in the `of`         option of the `.position()` util in OTRS' embedded jQuery-UI 1.12.1         copy.

        This vulnerability is also known as ZSA-2022-01.

    CVE-2022-4427

        Tim Pttmanns discovered an SQL injection vulnerability in         Kernel::System::Ticket::TicketSearch, which can be exploited using         the web service operation TicketSearch.

        This vulnerability is also known as ZSA-2022-07.

    CVE-2023-38060

        Tim Pttmanns discovered an Improper Input Validation vulnerability         in the ContentType parameter for attachments on TicketCreate or         TicketUpdate operations.

    For Debian 10 buster, these problems have been fixed in version     6.0.16-2+deb10u1.

    We recommend that you upgrade your otrs2 packages.

    For the detailed security status of otrs2 please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/otrs2

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
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Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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