CVE-2023-291975.3MediumCWE-436

CVE-2023-29197: Improper header name validation in guzzlehttp/psr7

guzzle · psr7

Affected: guzzle psr7 · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.2%probability of exploitation in the next 30 days

69th percentile

050100

Higher than 69% of scored CVEs

5.3MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Affected versions are subject to improper header parsing. An attacker could sneak in a newline (\n) into both the header names and values. While the specification states that \r\n\r\n is used to terminate the header list, many servers in the wild will also accept \n\n. This is a follow-up to CVE-2022-24775 where the fix was incomplete. The issue has been patched in versions 1.9.1 and 2.4.5. There are no known workarounds for this vulnerability. Users are advised to upgrade.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

guzzle · psr7< 1.9.1; >= 2.0.0, < 2.4.5

On the Atlas

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Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Interpretation Conflict · Input Validation and Logic
Vendor: guzzle
Published: April 2023
Band: Possible (1 to 10%), April 2023

CoverageNo articles yet

No CyberSIXT article names CVE-2023-29197 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.