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CVE-2017-5979

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a...

5.5 MediumFix available

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.62%Up 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Record
CVE-2017-5979
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Record
CVE-2017-5979
Updated
2026-11-02
EUVDEUVD-2017-15048 No score

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Record
EUVD-2017-15048
Updated
2026-11-03
GitHub AdvisoriesGHSA-2jxq-cxcr-qqcj 5.5

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a...

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Record
GHSA-2jxq-cxcr-qqcj
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSV 5.5

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Record
CVE-2017-5979
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-5979 5.5

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Record
DEBIAN-CVE-2017-5979
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2017-5979 5.5

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Record
UBUNTU-CVE-2017-5979
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2017-0163 No score

Updated zziplib packages fix security vulnerability

Heap-based buffer overflow in __zzip_get32 in fetch.c (CVE-2017-5974).

Heap-based buffer overflow in __zzip_get64 in fetch.c (CVE-2017-5975).

Heap-based buffer overflow in zzip_mem_entry_extra_block in memdisk.c (CVE-2017-5976).

Invalid memory read in zzip_mem_entry_extra_block in memdisk.c (CVE-2017-5977).

Out of bounds read in zzip_mem_entry_new in memdisk.c (CVE-2017-5978).

NULL pointer dereference in prescan_entry in fseeko.c (CVE-2017-5979).

NULL pointer dereference in zzip_mem_entry_new in memdisk.c (CVE-2017-5980).

Assertion failure in seeko.c (CVE-2017-5981).

NULL pointer dereference in main in unzzipcat-mem.c (bsc#1024532).

NULL pointer dereference in main in unzzipcat.c (bsc#1024537).

Record
MGASA-2017-0163
Updated
2026-11-02
OSVopenSUSE-SU-2024:11546-1 No score

libzzip-0-13-0.13.72-1.4 on GA media

These are all security issues fixed in the libzzip-0-13-0.13.72-1.4 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11546-1
Updated
2026-11-02
OSVSUSE-SU-2017:1095-1 No score

Security update for zziplib

This update for zziplib fixes the following issues:

Secuirty issues fixed:

  • CVE-2017-5974: heap-based buffer overflow in __zzip_get32 (fetch.c) (bsc#1024517)
  • CVE-2017-5975: heap-based buffer overflow in __zzip_get64 (fetch.c) (bsc#1024528)
  • CVE-2017-5976: heap-based buffer overflow in zzip_mem_entry_extra_block (memdisk.c) (bsc#1024531)
  • CVE-2017-5977: invalid memory read in zzip_mem_entry_extra_block (memdisk.c) (bsc#1024534)
  • CVE-2017-5978: out of bounds read in zzip_mem_entry_new (memdisk.c) (bsc#1024533)
  • CVE-2017-5979: NULL pointer dereference in prescan_entry (fseeko.c) (bsc#1024535)
  • CVE-2017-5980: NULL pointer dereference in zzip_mem_entry_new (memdisk.c) (bsc#1024536)
  • CVE-2017-5981: assertion failure in seeko.c (bsc#1024539)
  • NULL pointer dereference in main (unzzipcat-mem.c) (bsc#1024532)
  • NULL pointer dereference in main (unzzipcat.c) (bsc#1024537)
Record
SUSE-SU-2017:1095-1
Updated
2026-11-02
OSVUSN-3320-1 No score

zziplib vulnerabilities

Agostino Sarubbo discovered that zziplib incorrectly handled certain malformed ZIP files. If a user or automated system were tricked into opening a specially crafted ZIP file, a remote attacker could cause zziplib to crash, resulting in a denial of service, or possibly execute arbitrary code.

Record
USN-3320-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
zziplib
Debian:12
 before 0.13.62-3.1
0.13.62-3.1
zziplib
Debian:13
 before 0.13.62-3.1
0.13.62-3.1
zziplib
Debian:14
 before 0.13.62-3.1
0.13.62-3.1
zziplib
Debian:7
From an advisory covering 7 CVEs
 before 0.13.56-1.1+deb7u1, plus listed versions
0.13.56-1.1
0.13.56-1.1+deb7u1
zziplib
Debian:8
From an advisory covering 8 CVEs
 before 0.13.62-3+deb8u1, plus listed versions
0.13.62-3
0.13.62-3+deb8u1
zziplib
Mageia:5
From an advisory covering 8 CVEs
 before 0.13.62-5.1.mga5
0.13.62-5.1.mga5
zziplib
SUSE:Linux Enterprise Desktop 12 SP1
From an advisory covering 8 CVEs
 before 0.13.62-9.1
0.13.62-9.1
zziplib
SUSE:Linux Enterprise Desktop 12 SP2
From an advisory covering 8 CVEs
 before 0.13.62-9.1
0.13.62-9.1
zziplib
SUSE:Linux Enterprise Software Development Kit 12 SP1
From an advisory covering 8 CVEs
 before 0.13.62-9.1
0.13.62-9.1
zziplib
SUSE:Linux Enterprise Software Development Kit 12 SP2
From an advisory covering 8 CVEs
 before 0.13.62-9.1
0.13.62-9.1
Show 7 moreShow less
Affected packages
PackageAffectedFixed
zziplib
SUSE:Linux Enterprise Workstation Extension 12 SP1
From an advisory covering 8 CVEs
 before 0.13.62-9.1
0.13.62-9.1
zziplib
SUSE:Linux Enterprise Workstation Extension 12 SP2
From an advisory covering 8 CVEs
 before 0.13.62-9.1
0.13.62-9.1
zziplib
Ubuntu:14.04:LTS
 before 0.13.62-2ubuntu0.1, plus listed versions
0.13.56-1.1ubuntu10.13.56-1.1ubuntu20.13.56-2ubuntu10.13.62-2
0.13.62-2ubuntu0.1
zziplib
Ubuntu:16.04:LTS
 before 0.13.62-3ubuntu0.16.04.1, plus listed versions
0.13.62-3
0.13.62-3ubuntu0.16.04.1
zziplib
Ubuntu:14.04:LTS
From an advisory covering 7 CVEs
 before 0.13.62-2ubuntu0.1, plus listed versions
0.13.56-1.1ubuntu10.13.56-1.1ubuntu20.13.56-2ubuntu10.13.62-2
0.13.62-2ubuntu0.1
zziplib
Ubuntu:16.04:LTS
From an advisory covering 7 CVEs
 before 0.13.62-3ubuntu0.16.04.1, plus listed versions
0.13.62-3
0.13.62-3ubuntu0.16.04.1
zziplib
openSUSE:Tumbleweed
From an advisory covering 14 CVEs
 before 0.13.72-1.4
0.13.72-1.4

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-5979 is a medium vulnerability (CVSS 5.5) in Gdraheim Zziplib, published March 1, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.62%, the 76th percentile. Fixed in zziplib 0.13.62-3.1.

References

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