Amazon Linux 2 Security Advisory: ALAS-2019-1142
Advisory Release Date: 2019-01-07 22:02 Pacific
Advisory Updated Date: 2019-01-09 01:10 Pacific
An improper input validation was found in function __zzip_fetch_disk_trailer of ZZIPlib, up to 0.13.68, that could lead to a crash in __zzip_parse_root_directory function of zzip/ip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.(CVE-2018-7726)
A memory leak was found in unzip-mem.c and unzzip-mem.c of ZZIPlib, up to v0.13.68, that could lead to resource exhaustion. Local attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.(CVE-2018-7727)
An out of bounds read was found in function zzip_disk_fread of ZZIPlib, up to 0.13.68, when ZZIPlib mem_disk functionality is used. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.(CVE-2018-7725)
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.
aarch64:
zziplib-0.13.62-9.amzn2.aarch64
zziplib-utils-0.13.62-9.amzn2.aarch64
zziplib-devel-0.13.62-9.amzn2.aarch64
zziplib-debuginfo-0.13.62-9.amzn2.aarch64
i686:
zziplib-0.13.62-9.amzn2.i686
zziplib-utils-0.13.62-9.amzn2.i686
zziplib-devel-0.13.62-9.amzn2.i686
zziplib-debuginfo-0.13.62-9.amzn2.i686
src:
zziplib-0.13.62-9.amzn2.src
x86_64:
zziplib-0.13.62-9.amzn2.x86_64
zziplib-utils-0.13.62-9.amzn2.x86_64
zziplib-devel-0.13.62-9.amzn2.x86_64
zziplib-debuginfo-0.13.62-9.amzn2.x86_64