THREATPORT/VULNERABILITY/CVE-2019-10743
MEDIUM SEVERITY

CVE-2019-10743

Archiver vulnerability

CVSS
5.5
EPSS
6.6%
EPSS pct
93th
Exploited
No known
All versions of archiver allow attacker to perform a Zip Slip attack via the "unarchive" functions. It is exploited using a specially crafted zip archive, that holds path traversal filenames. When exploited, a filename in a malicious archive is concatenated to the target extraction directory, which results in the final path ending up outside of the target folder. For instance, a zip may hold a file with a "../../file.exe" location and thus break out of the target folder. If an executable or a configuration file is overwritten with a file containing malicious code, the problem can turn into an arbitrary code execution issue quite easily.
Affected vendor
Archiver Project
Affected product
Archiver
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness type (CWE)
Published
2019-10-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 6.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2019-10743

  • Confirm whether Archiver Project Archiver is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-10743.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-10743

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-10743 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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