Out-of-bounds read in zziplib.sourceforge.net ZZIPlib
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-5977 |
| CWE-ID | CWE-125 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ZZIPlib Universal components / Libraries / Libraries used by multiple products |
| Vendor | zziplib.sourceforge.net |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU33259
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-5977
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
The zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (invalid memory read and crash) via a crafted ZIP file.
MitigationInstall update from vendor's website.
Vulnerable software versionsZZIPlib: 0.13.62
External linkshttp://www.openwall.com/lists/oss-security/2017/02/14/3
http://www.securityfocus.com/bid/96268
http://blogs.gentoo.org/ago/2017/02/09/zziplib-invalid-memory-read-in-zzip_mem_entry_extra_block-memdisk-c/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
