[BUG] nil pointer in GetDialedIP #5799
Comments
com0t
added
the
Type: Bug
|
Couldn't repro this, made a little update to your code $ go run .
2024/11/08 14:46:09 Nuclei Target: http://scanme.sh
2024/11/08 14:46:09 Nuclei Target: http://honey.scanme.sh
[INF] Templates clustered: 1636 (Reduced 1537 Requests)
[INF] Templates clustered: 1636 (Reduced 1537 Requests)
[CVE-2015-6477] http://honey.scanme.sh/login
...package main
import (
"context"
"log"
"sync"
nuclei "github.com/projectdiscovery/nuclei/v3/lib"
)
func scanWithNuclei(ctx context.Context, target string) {
ne, err := nuclei.NewNucleiEngineCtx(ctx)
if err != nil {
panic(err)
}
ne.LoadTargets([]string{target}, false)
ne.Options().Verbose = true
err = ne.ExecuteWithCallback(nil)
if err != nil {
panic(err)
}
defer ne.Close()
}
func main() {
targets := []string{
"http://scanme.sh",
"http://honey.scanme.sh",
}
var wg sync.WaitGroup
for _, target := range targets {
log.Println("Nuclei Target: ", target)
wg.Add(1)
go func(t string) {
scanWithNuclei(context.Background(), t)
}(target)
}
wg.Wait()
} |
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I've replicated the issue and will investigate it further! |
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You can try the code below package main
import (
"context"
"log"
"os"
"os/signal"
nuclei "github.com/projectdiscovery/nuclei/v3/lib"
)
func scanWithNuclei(ctx context.Context, targets []string) {
ne, err := nuclei.NewNucleiEngineCtx(ctx,
nuclei.WithTemplateFilters(nuclei.TemplateFilters{Severity: "low"}),
)
if err != nil {
panic(err)
}
ne.LoadTargets(targets, false)
err = ne.ExecuteWithCallback(nil)
if err != nil {
panic(err)
}
defer ne.Close()
}
func Test(ctx context.Context) {
targets := []string{
"hackerone.com",
"tesla.com",
}
for _, target := range targets {
log.Println("Nuclei Target: ", target)
go func() {
scanWithNuclei(ctx, []string{target})
}()
}
}
func main() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, os.Interrupt)
Test(ctx)
<-sigChan
log.Println("Shutting down gracefully...")
cancel()
log.Println("Consumer closed.")
} |
|
I used your code with input and got an error. I think because the input does not contain http or https, I get an error when checking the low template. Try going this direction to see if you discover anything new Inputtargets := []string{
"hackerone.com",
"tesla.com",
}Err |
Hi, I ran your code and still got nil pointer error. Please check again and wait for the code to run all templates |
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I encountered the same problem. Through brief debugging, I found that if it is called multiple times, it seems that some global variables are closed in advance. My previous solution was to create a global manager and then close it after all target calls are completed, but it may cause memory to increase. I don't know the specific reason. |
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In addition, in this scenario, multiple calls to NewNucleiEngineCtx will load all templates multiple times, resulting in serious memory consumption. I observed that the Parser in the code stores the parsed templates in the cache when loading the templates. Is it possible to provide a method in the SDK to modify the Parser so that all nuclei instances can share a parsing module? |
Is there an existing issue for this?
Current Behavior
i test code and get error
Expected Behavior
no error
Steps To Reproduce
Relevant log output
No response
Environment
Anything else?
No response
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