7.8
HIGH CVSS 3.0
CVE-2018-7685
libzypp does not reevaluate malicious rpms once downloaded
Description

The decoupled download and installation steps in libzypp before 17.5.0 could lead to a corrupted RPM being left in the cache, where a later call would not display the corrupted RPM warning and allow installation, a problem caused by malicious warnings only displayed during download.

INFO

Published Date :

Aug. 31, 2018, 3:29 p.m.

Last Modified :

Nov. 21, 2024, 4:12 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2018-7685 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Opensuse libzypp
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 HIGH [email protected]
CVSS 3.0 HIGH [email protected]
Solution
This vulnerability involves a potential cache corruption issue in libzypp, which could lead to the installation of corrupted RPM packages.
  • Update the affected libzypp and/or zypper packages using the vendor-recommended installation methods.
  • For SUSE CaaS Platform, use the Velum dashboard to trigger the update.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-7685 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-7685 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-7685 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-7685 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.suse.com/pipermail/sle-security-updates/2018-August/004510.html
    Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1091624
    Added Reference https://www.suse.com/de-de/security/cve/CVE-2018-7685/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference OpenText https://bugzilla.suse.com/show_bug.cgi?id=1091624 [No types assigned]
    Added Reference OpenText https://www.suse.com/de-de/security/cve/CVE-2018-7685/ [No types assigned]
    Added Reference OpenText http://lists.suse.com/pipermail/sle-security-updates/2018-August/004510.html [No types assigned]
    Removed Reference SUSE https://www.suse.com/de-de/security/cve/CVE-2018-7685/
    Removed Reference SUSE https://bugzilla.suse.com/show_bug.cgi?id=1091624
    Removed Reference SUSE http://lists.suse.com/pipermail/sle-security-updates/2018-August/004510.html
    Added CWE OpenText CWE-358
    Removed CWE SUSE CWE-358
    Removed CVSS V3 SUSE AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3 OpenText AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source SUSE OpenText
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 SUSE AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE SUSE CWE-358
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-284 CWE-284 CWE-347
  • Initial Analysis by [email protected]

    Nov. 08, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1091624 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1091624 Issue Tracking, Third Party Advisory
    Changed Reference Type https://www.suse.com/de-de/security/cve/CVE-2018-7685/ No Types Assigned https://www.suse.com/de-de/security/cve/CVE-2018-7685/ Vendor Advisory
    Changed Reference Type http://lists.suse.com/pipermail/sle-security-updates/2018-August/004510.html No Types Assigned http://lists.suse.com/pipermail/sle-security-updates/2018-August/004510.html Mailing List, Patch, Vendor Advisory
    Added CWE CWE-284
    Added CPE Configuration OR *cpe:2.3:a:opensuse:libzypp:*:*:*:*:*:*:*:* versions up to (excluding) 17.5.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.6
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.05%

score

0.21323

percentile