CVE-2019-10098

medium

Published 2020-11-03 · Modified 2020-11-04

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

6.5

Description

In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an unexpected URL within the request URL.

Predictions

Exploit likelihood

55%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-47689 webapps multiple

Sebastian Neef · 2019-10-14

Apache Httpd mod_rewrite - Open Redirects

Source code queued for fetch — refresh in a moment.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

AlmaLinux Fixed 1 release

Version	Status	Fixed in
8	Fixed	`mod_md-2.0.8-8.module_el8.6.0+2872+fe0ff7aa.aarch64.rpm`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`2.4.41-1`
sid	Fixed	`2.4.41-1`
forky	Fixed	`2.4.41-1`
bullseye	Fixed	`2.4.41-1`
bookworm	Fixed	`2.4.41-1`

Red Hat Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.