CVE-2007-0897

Clamav vulnerability

CVSS

7.5

EPSS

3.4%

EPSS pct

88th

Exploited

No known

Clam AntiVirus ClamAV before 0.90 does not close open file descriptors under certain conditions, which allows remote attackers to cause a denial of service (file descriptor consumption and failed scans) via CAB archives with a cabinet header record length of zero, which causes a function to return without closing a file descriptor.

Affected vendor

Clamav

Affected product

Clamav

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

Published

2007-02-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2007-0897

Confirm whether Clamav Clamav is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-0897.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-0897

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-0897 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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