xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - xz is a compression and decompression library focusing on the xz format completely written in Go. The     function readUvarint used to read the xz container format may not terminate a loop provide malicous input.
    The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed     file input to a reasonable size for their use case. The standard library had recently the same issue and     got the CVE-2020-16845 allocated. (CVE-2021-29482)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - xz is a compression and decompression library focusing on the xz format completely written in Go. The
    function readUvarint used to read the xz container format may not terminate a loop provide malicous input.
    The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed
    file input to a reasonable size for their use case. The standard library had recently the same issue and
    got the CVE-2020-16845 allocated. (CVE-2021-29482)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1276 advisory.

    Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for     installation into an on-premise OpenShift Container Platform installation.

    This advisory covers the RPM packages for the release.

    Security Fix(es):

    * gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation (CVE-2021-3121)

    * envoy: Incorrect configuration handling allows mTLS session re-use without re-validation     (CVE-2022-21654)

    * envoy: Incorrect handling of internal redirects to routes with a direct response entry (CVE-2022-21655)

    * istio: Unauthenticated control plane denial of service attack due to stack exhaustion (CVE-2022-24726)

    * golang.org/x/text: Panic in language.ParseAcceptLanguage while parsing -u- extension (CVE-2020-28851)

    * golang.org/x/text: Panic in language.ParseAcceptLanguage while processing bcp47 tag (CVE-2020-28852)

    * nodejs-axios: Regular expression denial of service in trim function (CVE-2021-3749)

    * ulikunitz/xz: Infinite loop in readUvarint allows for denial of service (CVE-2021-29482)

    * golang: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet     (CVE-2021-29923)

    * golang: net/http/httputil: panic due to racy read of persistConn after handler panic (CVE-2021-36221)

    * golang.org/x/crypto: empty plaintext packet causes panic (CVE-2021-43565)

    * envoy: Null pointer dereference when using JWT filter safe_regex match (CVE-2021-43824)

    * envoy: Use-after-free when response filters increase response data (CVE-2021-43825)

    * envoy: Use-after-free when tunneling TCP over HTTP (CVE-2021-43826)

    * envoy: Stack exhaustion when a cluster is deleted via Cluster Discovery Service (CVE-2022-23606)

    * istio: unauthenticated control plane denial of service attack (CVE-2022-23635)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

ID	Name	Product	Family	Severity
250966	Linux Distros Unpatched Vulnerability : CVE-2021-29482	Nessus	Misc.	high
431919	SCA: security update for github.com/ulikunitz/xz (GHSA-25xm-hr59-7c27)	Tenable Cloud Security	SCA Checks	high
431919	SCA: security update for github.com/ulikunitz/xz (GHSA-25xm-hr59-7c27)	Tenable Self-Hosted Container Security	SCA Checks	high
159603	RHEL 8 : Red Hat OpenShift Service Mesh 2.0.9 (RHSA-2022:1276)	Nessus	Red Hat Local Security Checks	critical

Detections

Analytics

CVE-2021-29482

high

Tenable Plugins

high

high

high

critical