In Apache httpd before 2.2.34 and 2.4.x before 2.4.27, the value placeholder in [Proxy-]Authorization headers of type 'Digest' was not initialized or reset before or between successive key=value assignments by mod_auth_digest. Providing an initial key with no '=' assignment could reflect the stale value of uninitialized pool memory used by the prior request, leading to leakage of potentially confidential information, and a segfault in other cases resulting in denial of service.
Published 2017-07-13 16:29:00
Updated 2021-06-06 11:15:20
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of serviceInformation leak

Products affected by CVE-2017-9788

Threat overview for CVE-2017-9788

Top countries where our scanners detected CVE-2017-9788
Top open port discovered on systems with this issue 80
IPs affected by CVE-2017-9788 5,341,593
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2017-9788!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-9788

46.78%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-9788

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
NIST
9.1
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.9
5.2
NIST

CWE ids for CVE-2017-9788

References for CVE-2017-9788

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