HomeVulnerabilityCosmicSting flaw impacts 75% of Adobe Commerce, Magento websites

CosmicSting flaw impacts 75% of Adobe Commerce, Magento websites

A vulnerability dubbed “CosmicSting” impacting Adobe Commerce and Magento web sites stays largely unpatched 9 days after the security replace has been made obtainable, leaving hundreds of thousands of websites open to catastrophic assaults.

In keeping with Sansec’s stats, roughly three out of 4 web sites utilizing the impacted e-commerce platforms haven’t patched in opposition to CosmicSting, which places them prone to XML exterior entity injection (XXE) and distant code execution (RCE).

“CosmicSting (aka CVE-2024-34102) is the worst bug to hit Magento and Adobe Commerce shops in two years,” says Sansec.

“In itself, it permits anybody to learn personal information (similar to these with passwords). Nonetheless, mixed with the current iconv bug in Linux, it turns into the security nightmare of distant code execution.”

The flaw, rated essential (CVSS rating: 9.8), impacts the next product variations:

  • Adobe Commerce 2.4.7 and earlier, together with 2.4.6-p5, 2.4.5-p7, 2.4.4-p8
  • Adobe Commerce Prolonged Help 2.4.3-ext-7 and earlier, 2.4.2-ext-7 and earlier, 2.4.1-ext-7 and earlier, 2.4.0-ext-7 and earlier, 2.3.7-p4-ext-7 and earlier.
  • Magento Open Supply 2.4.7 and earlier, together with 2.4.6-p5, 2.4.5-p7, 2.4.4-p8
  • Adobe Commerce Webhooks Plugin variations 1.2.0 to 1.4.0
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Sansec says that regardless of Adobe omitting technical particulars on its bulletin to keep away from fueling energetic exploitation, efficient assault strategies might be simply inferred from the patch code, which its analysts used for reproducing the assault.

Based mostly on the severity and low complexity of deducing efficient assault paths, Sansec estimates that CosmicSting ticks all bins to grow to be some of the damaging assaults in e-commerce’s historical past, alongside “Shoplift”, “Ambionics”, and “Trojan Order.”

Apply repair or mitigation now

The seller launched fixes for CVE-2024-34102 with the next variations, which e-commerce platform directors are beneficial to use as quickly as attainable:

  • Adobe Commerce 2.4.7-p1, 2.4.6-p6, 2.4.5-p8, 2.4.4-p9
  • Adobe Commerce Prolonged Help 2.4.3-ext-8, 2.4.2-ext-8, 2.4.1-ext-8, 2.4.0-ext-8, 2.3.7-p4-ext-8
  • Magento Open Supply 2.4.7-p1, 2.4.6-p6, 2.4.5-p8, 2.4.4-p9
  • Adobe Commerce Webhooks Plugin model 1.5.0

Sansec recommends that web site admins swap to ‘Report-Solely’ mode earlier than upgrading to keep away from a problem which will break checkout performance.

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For individuals who are unable to improve proper now, they’re suggested to take the next two measures:

First, examine when you’re Linux system is utilizing a glibc library susceptible to CVE-2024-2961 utilizing the under command, and improve as required. The command under will obtain a C supply code file, compile it, and run it in your laptop to detect when you’re susceptible.

curl -sO https://sansec.io/downloads/cve-2024-2961.c &&
gcc cve-2024-2961.c -o poc &&

Subsequent, it’s worthwhile to add the next “emergency repair” code on ‘app/bootstrap.php’ to dam most CosmicSting assaults.

if (strpos(file_get_contents('php://enter'), 'dataIsURL') !== false) {
    header('HTTP/1.1 503 Service Briefly Unavailable');
    header('Standing: 503 Service Briefly Unavailable');

BleepingComputer has not examined the repair and can’t assure its effectiveness or security, so use it at your personal danger.

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