CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
76.8%
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
Red Hat: CVE-2018-16548, CVE-2018-6541
Mitre: CVE-2018-16548, CVE-2018-6541
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | zziplib | < 0.13.62-11.amzn2 | zziplib-0.13.62-11.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | zziplib-utils | < 0.13.62-11.amzn2 | zziplib-utils-0.13.62-11.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | zziplib-devel | < 0.13.62-11.amzn2 | zziplib-devel-0.13.62-11.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | zziplib-debuginfo | < 0.13.62-11.amzn2 | zziplib-debuginfo-0.13.62-11.amzn2.aarch64.rpm |
Amazon Linux | 2 | i686 | zziplib | < 0.13.62-11.amzn2 | zziplib-0.13.62-11.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | zziplib-utils | < 0.13.62-11.amzn2 | zziplib-utils-0.13.62-11.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | zziplib-devel | < 0.13.62-11.amzn2 | zziplib-devel-0.13.62-11.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | zziplib-debuginfo | < 0.13.62-11.amzn2 | zziplib-debuginfo-0.13.62-11.amzn2.i686.rpm |
Amazon Linux | 2 | x86_64 | zziplib | < 0.13.62-11.amzn2 | zziplib-0.13.62-11.amzn2.x86_64.rpm |
Amazon Linux | 2 | x86_64 | zziplib-utils | < 0.13.62-11.amzn2 | zziplib-utils-0.13.62-11.amzn2.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
76.8%