An issue was discovered in QPDF version 10.0.4, allows remote attackers to execute arbitrary code via crafted .pdf file to Pl_ASCII85Decoder::write parameter in libqpdf.

The remote Redhat Enterprise Linux 9 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - qpdf: Heap use after free in Pl_ASCII85Decoder::write (CVE-2021-25786)

Note that Nessus has not tested for this issue but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - qpdf: Heap use after free in Pl_ASCII85Decoder::write (CVE-2021-25786)

  - qpdf: heap-based buffer overflow in Pl_ASCII85Decoder::write() when a certain downstream write fails     (CVE-2021-36978)

  - In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have     recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted     PDF file. (CVE-2018-18020)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The version of qpdf installed on the remote host is prior to 5.0.1-4. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2024-2409 advisory.

    2024-01-17: CVE-2021-36978 was added to this advisory.

    An issue was discovered in QPDF version 10.0.4, allows remote attackers to execute arbitrary code via     crafted .pdf file to Pl_ASCII85Decoder::write parameter in libqpdf. (CVE-2021-25786)

    QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in     Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream     write fails. (CVE-2021-36978)

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

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

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3548 advisory.

  - In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have     recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted     PDF file. (CVE-2018-18020)

  - An issue was discovered in QPDF version 10.0.4, allows remote attackers to execute arbitrary code via     crafted .pdf file to Pl_ASCII85Decoder::write parameter in libqpdf. (CVE-2021-25786)

  - QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in     Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream     write fails. (CVE-2021-36978)

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
198779	RHEL 9 : qpdf (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	medium
198778	RHEL 8 : qpdf (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	medium
187822	Amazon Linux 2 : qpdf (ALAS-2024-2409)	Nessus	Amazon Linux Local Security Checks	medium
180269	Debian DLA-3548-1 : qpdf - LTS security update	Nessus	Debian Local Security Checks	medium

Detections

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CVE-2021-25786

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Tenable Plugins

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