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Fencer Intel
high 8.1

CVE-2017-7435 json

libzypp accepts unsigned 3rd party repo without warning

published 2018-03-01 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16459

cvss
8.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

In libzypp before 20170803 it was possible to add unsigned YUM repositories without warning to the user that could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.

Patch / fix

  • SUSE libzypp 20170803
  • libzypp Debian 14, Debian 13, Debian 12 17.3.1-1

debian advisories DEBIAN-CVE-2017-7435

  • libzypp SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 16.15.3-2.3.1
  • yast2-pkg-bindings SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 3.2.4-2.3.1
  • zypper SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 1.13.30-18.13.3
  • libzypp SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +2 more 16.15.2-27.21.1
  • zypper SLES 12-LTSS 1.11.70-2.69.2
  • libzypp SLES 12-LTSS 14.45.17-2.82.1
  • zypper SLES for SAP 12 SP1, SLES 12 SP1-LTSS 1.12.59-46.10.1
  • libzypp SLES for SAP 12 SP1, SLES 12 SP1-LTSS 15.25.17-46.22.1

suse advisories SUSE-SU-2018:2688-1SUSE-SU-2018:2555-1SUSE-SU-2017:2264-1SUSE-SU-2017:2040-1

  • libzypp openSUSE Tumbleweed 17.28.4-1.2

opensuse advisories openSUSE-SU-2024:11019-1

Exploit prediction

1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • SUSE libzypp

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.