high
7.8
CWE
119 125
Advisory Published
CVE Published
Updated

CVE-2022-48303: Buffer Overflow

First published: Sat Apr 30 2022(Updated: )

A flaw was found in the Tar package. When attempting to read files with old V7 tar format with a specially crafted checksum, an invalid memory read may occur. An attacker could possibly use this issue to expose sensitive information or cause a crash.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/tar<2:1.30-6.el8_7.1
2:1.30-6.el8_7.1
redhat/tar<2:1.30-5.el8_6.1
2:1.30-5.el8_6.1
redhat/tar<2:1.34-6.el9_1
2:1.34-6.el9_1
GNU tar<=1.34
Fedoraproject Fedora=37
Fedoraproject Fedora=38
IBM Cloud Pak for Security<=1.10.0.0 - 1.10.11.0
IBM QRadar Suite Software<=1.10.12.0 - 1.10.16.0
debian/tar<=1.30+dfsg-6<=1.30+dfsg-6+deb10u1
1.34+dfsg-1+deb11u1
1.34+dfsg-1.2+deb12u1
1.35+dfsg-3

Remedy

https://savannah.gnu.org/patch/?10307

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-48303?

    CVE-2022-48303 is a vulnerability in the Tar package that allows a remote attacker to cause a heap-based buffer overflow by persuading a victim to open a specially-crafted V7 file.

  • What is the severity of CVE-2022-48303?

    CVE-2022-48303 has a severity score of 7.8 (high).

  • How does CVE-2022-48303 affect GNU Tar?

    CVE-2022-48303 affects GNU Tar by causing a heap-based buffer overflow in the from_header() function in list.c when processing V7 archive files.

  • How can CVE-2022-48303 be fixed?

    To fix CVE-2022-48303, it is recommended to update the affected GNU Tar package to version 2:1.30-6.el8_7.1 or higher.

  • Are there any references for CVE-2022-48303?

    Yes, here are some references to learn more about CVE-2022-48303: - [GNU Savannah](https://savannah.gnu.org/bugs/?62387) - [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2149724) - [GNU Savannah Patch](https://savannah.gnu.org/patch/?10307)

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