Zziplib
CVE-2018-6381
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread function (zzip/mmapped.c) because the size variable is not validated against the amount of file->stored data.
AnalysisAI
In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread function (zzip/mmapped.c) because the size variable is not validated against the amount of file->stored data. Affected products include: Gdraheim Zziplib, Canonical Ubuntu Linux.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.
A Stack Buffer Overflow vulnerability in zziplibv 0.13.77 allows attackers to cause a denial of service via the __zzip_f
An issue was discovered in ZZIPlib through 0.13.69. Rated medium severity (CVSS 6.5), this vulnerability is remotely exp
An issue was discovered in ZZIPlib 0.13.68. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable
An issue was discovered in ZZIPlib 0.13.68. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable
An issue was discovered in ZZIPlib 0.13.68. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable
In ZZIPlib 0.13.68, there is an uncontrolled memory allocation and a crash in the __zzip_parse_root_directory function o
In ZZIPlib 0.13.67, there is a bus error (when handling a disk64_trailer seek value) caused by loading of a misaligned a
In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address (when handling disk64_trailer local e
In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function o
In ZZIPlib 0.13.67, there is a memory alignment error and bus error in the __zzip_fetch_disk_trailer function of zzip/zi
Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60,
Heap-based buffer overflow in the __zzip_get64 function in fetch.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.5
Same weakness CWE-119 – Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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