Integer signedness error in the zlib extension module in Python 2.5.2 and earlier allows remote attackers to execute arbitrary code via a negative signed integer, which triggers insufficient memory allocation and a buffer overflow.
Published 2008-04-10 19:05:00
Updated 2022-07-05 18:43:53
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowExecute code

Threat overview for CVE-2008-1721

Top countries where our scanners detected CVE-2008-1721
Top open port discovered on systems with this issue 80
IPs affected by CVE-2008-1721 341
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2008-1721!
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Exploit prediction scoring system (EPSS) score for CVE-2008-1721

10.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2008-1721

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST

CWE ids for CVE-2008-1721

  • When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.
    Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2008-1721

  • Red Hat 2008-04-15
    Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=442005 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/

References for CVE-2008-1721

Products affected by CVE-2008-1721

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