CVE-2018-15504

high-risk
Published 2018-08-18

An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. The server mishandles some HTTP request fields associated with time, which results in a NULL pointer dereference, as demonstrated by If-Modified-Since or If-Unmodified-Since with a month greater than 11.

Do I need to act?

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0.47% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Appweb

Affected Vendors

Juniper Embedthis

References (10)

Patch https://github.com/embedthis/appweb/commit/66067ae6d1fa08b37a270e7dc1821df52ed2d...
Exploit https://github.com/embedthis/appweb/issues/605
Exploit https://github.com/embedthis/goahead/issues/264
Third Party Advisory https://supportportal.juniper.net/s/article/2019-07-Security-Bulletin-Junos-OS-J...
Third Party Advisory https://supportportal.juniper.net/s/article/2021-07-Security-Bulletin-Junos-OS-M...
Patch https://github.com/embedthis/appweb/commit/66067ae6d1fa08b37a270e7dc1821df52ed2d...
Exploit https://github.com/embedthis/appweb/issues/605
Exploit https://github.com/embedthis/goahead/issues/264
Third Party Advisory https://supportportal.juniper.net/s/article/2019-07-Security-Bulletin-Junos-OS-J...
Third Party Advisory https://supportportal.juniper.net/s/article/2021-07-Security-Bulletin-Junos-OS-M...
61
/ 100
high-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 33/34 · Critical