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High ALAS2-2021-1604 3 CVEs

Important: unzip security update (Amazon Linux 2)

Published Feb 17, 2021 · Updated Feb 19, 2021

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2018-1000035: A heap-based buffer overflow exists in Info-Zip UnZip version <= 6.00 in the processing of password-protected archives that allows an attacker to perform a denial of service or to possibly achieve code execution. 1537043: CVE-2018-1000035 unzip: Heap-based buffer overflow in fileio.c:UzpPassword function allows code execution CVE-2016-9844: Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header. 1401864: CVE-2016-9844 unzip: methbuf[] buffer overflow in zipinfo's zi_short() CVE-2015-7697: Info-ZIP UnZip 6.0 allows remote attackers to cause a denial of service (infinite loop) via empty bzip2 data in a ZIP archive. 1260944: CVE-2015-7696 CVE-2015-7697 unzip: Heap overflow and DoS in 6.0

Fixed packages 2

ReleasePackageFixed in
Amazon Linux · 2 unzip 0:6.0-43.amzn2
Amazon Linux · 2 unzip-debuginfo 0:6.0-43.amzn2

Vulnerabilities 3

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2015-7697.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2016-9844.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2018-1000035.html