The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4337-1 advisory.

    It was discovered that OpenJDK incorrectly handled certain regular expressions. An attacker could possibly     use this issue to cause a denial of service while processing a specially crafted regular expression.
    (CVE-2020-2754, CVE-2020-2755)

    It was discovered that OpenJDK incorrectly handled class descriptors and catching exceptions during object     stream deserialization. An attacker could possibly use this issue to cause a denial of service while     processing a specially crafted serialized input. (CVE-2020-2756, CVE-2020-2757)

    Bengt Jonsson, Juraj Somorovsky, Kostis Sagonas, Paul Fiterau Brostean and Robert Merget discovered that     OpenJDK incorrectly handled certificate messages during TLS handshake. An attacker could possibly use this     issue to bypass certificate verification and insert, edit or obtain sensitive information. This issue only     affected OpenJDK 11. (CVE-2020-2767)

    It was discovered that OpenJDK incorrectly handled exceptions thrown by unmarshalKeyInfo() and     unmarshalXMLSignature(). An attacker could possibly use this issue to cause a denial of service while     reading key info or XML signature data from XML input. (CVE-2020-2773)

    Peter Dettman discovered that OpenJDK incorrectly handled SSLParameters in setAlgorithmConstraints(). An     attacker could possibly use this issue to override the defined systems security policy and lead to the use     of weak crypto algorithms that should be disabled. This issue only affected OpenJDK 11. (CVE-2020-2778)

    Simone Bordet discovered that OpenJDK incorrectly re-used single null TLS sessions for new TLS     connections. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2020-2781)

    Dan Amodio discovered that OpenJDK did not restrict the use of CR and LF characters in values for HTTP     headers. An attacker could possibly use this issue to insert, edit or obtain sensitive information.
    (CVE-2020-2800)

    Nils Emmerich discovered that OpenJDK incorrectly checked boundaries or argument types. An attacker could     possibly use this issue to bypass sandbox restrictions causing unspecified impact. (CVE-2020-2803,     CVE-2020-2805)

    It was discovered that OpenJDK incorrectly handled application data packets during TLS handshake. An     attacker could possibly use this issue to insert, edit or obtain sensitive information. This issue only     affected OpenJDK 11. (CVE-2020-2816)

    It was discovered that OpenJDK incorrectly handled certain regular expressions. An attacker could possibly     use this issue to cause a denial of service. (CVE-2020-2830)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

Detections

Analytics

Ubuntu 16.04 LTS / 18.04 LTS : OpenJDK vulnerabilities (USN-4337-1)

high Nessus Plugin ID 135967

Version 1.7