ALAS2-2019-1357


Amazon Linux 2 Security Advisory: ALAS-2019-1357
Advisory Release Date: 2019-11-04 22:40 Pacific
Advisory Updated Date: 2019-11-07 00:32 Pacific
Severity: Low

Issue Overview:

An issue was discovered in ZZIPlib through 0.13.69. There is a memory leak triggered in the function __zzip_parse_root_directory in zip.c, which will lead to a denial of service attack.(CVE-2018-16548)

In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address (when handling disk64_trailer local entries) in __zzip_fetch_disk_trailer (zzip/zip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.(CVE-2018-6541)


Affected Packages:

zziplib


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update zziplib to update your system.

New Packages:
aarch64:
    zziplib-0.13.62-11.amzn2.aarch64
    zziplib-utils-0.13.62-11.amzn2.aarch64
    zziplib-devel-0.13.62-11.amzn2.aarch64
    zziplib-debuginfo-0.13.62-11.amzn2.aarch64

i686:
    zziplib-0.13.62-11.amzn2.i686
    zziplib-utils-0.13.62-11.amzn2.i686
    zziplib-devel-0.13.62-11.amzn2.i686
    zziplib-debuginfo-0.13.62-11.amzn2.i686

src:
    zziplib-0.13.62-11.amzn2.src

x86_64:
    zziplib-0.13.62-11.amzn2.x86_64
    zziplib-utils-0.13.62-11.amzn2.x86_64
    zziplib-devel-0.13.62-11.amzn2.x86_64
    zziplib-debuginfo-0.13.62-11.amzn2.x86_64