CVE-2020-18770 — Uncontrolled Resource Consumption in Zziplib

CWE-400 — Uncontrolled Resource ConsumptionCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 91.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Gdraheim ZziplibDebian ZziplibMsrc Azl3 Zziplib 0.13.74-1 ON Azure Linux 3.0
Timeline
PublishedAug 22
Latest updateOct 28

Description

An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/zziplib< zziplib 0.13.78+dfsg.1-0.1 (forky)
▶Debiangdraheim/zziplib< 0.13.78+dfsg.1-0.1+1
▶NVDgdraheim/zziplib0.13.69

🔴Vulnerability Details

2
OSV
CVE-2020-18770: An issue was discovered in function zzip_disk_entry_to_file_header in mmapped↗2023-08-22
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GHSA
GHSA-mjgv-6qmw-8jwc: An issue was discovered in function zzip_disk_entry_to_file_header in mmapped↗2023-08-22
▶

📋Vendor Advisories

3
Red Hat
zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c↗2023-10-28
▶
Microsoft
An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.↗2023-08-08
▶
Debian
CVE-2020-18770: zziplib - An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c ...↗2020
▶