[image: Arul Kumar discovered a bug that enabled users on Facebook to
remove pictures from other accounts without the knowledge or approval of
the owner]

Arul Kumar, a 21-year-old engineering graduate, has netted a $12,500 bounty
from Facebook after he found a critical bug that allowed anyone to delete
any photo hosted on the social networking website. At the current rate of
dollar, the bounty which Arul will get this month, is worth around Rs
8,25,000.

This is the second time Arul has won a bounty from Facebook. Around a month
ago, he discovered another bug for which he was promised $1500. He is yet
to get this money.

Incidentally, Arul is not a software engineer or even a programmer or
network expert. He completed his engineering in electronics and
communications from Hindusthan Institute of Technology in Coimbatore just a
few months ago.

"Earlier this year, I heard about the Facebook bug bounty programme through
which the company rewards people find who flaws on the website. Then I came
to know about some Indian hackers who hunt for bugs and are rewarded," Arul
told TOI from Chennai, where he is looking for a job. "I started looking
for bugs and learned programming and networking through tutorials on the
web. The bug that I found on Facebook doesn't require some technical
wizardry. I found it because I keep an open eye when I use web services."

When Arul found the photo-related bug, he filed a report through a page
that Facebook has set up for hackers. But after reviewing the report,
Facebook rejected Arul's claim.

"I messed around with this for the last 40 minutes but cannot delete any
victim's photo. All I can do is if the victim clicks the link and chooses
to remove the photo it will be removed, which is not a security
(vulnerability) obviously," a member of Facebook security team wrote in an
email.

This was not new. While Facebook has a healthy reward programme for those
who find bugs, in the past it has rejected claims even when presented with
valid bugs. This recently happened with a Palestinian security researcher.
After his bug was rejected, the Palestinian used it to break into the
Facebook wall of Zuckerberg and posted a message.

Arul, however, created a video, showing how he could delete any Facebook
photo. "I made this video and demonstrated the bug using the profile id of
Facebook founder Mark Zuckerberg and a photo hosted by him. To recreate the
flaw, I performed all the steps except the last one that would have deleted
one of the photos hosted by Zuckerberg," Arul said.

After he sent this video to the Facebook team, he got a better response.
His bug was accepted on August 21. "Found the bug ... fixing the bug.
Wanted to say your video was very good and helpful. I wish all bug reports
had such a video," a Facebook staffer wrote back.

On the same day Facebook also approved payment of $12,500 as a reward for
finding the bug. The bug was fixed a few days ago and Facebook gave
permission to Arul to talk about his exploit publicly.

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  <http://groups.yahoo.com/subscribe/worldmalayaliclub/>

The Hindu published the following article on 5th September 2013:

The discovery of a bug on a popular social networking site has won a
21-year-old engineering graduate a reward of Rs. 8 lakh.

The malfunction reportedly enabled users on Facebook to remove pictures
from other accounts without the knowledge or approval of the owner.

For his discovery, city youth Arul Kumar was awarded with Rs. 8,12,500 as
part of Facebook’s bug bounty programme through which it incentivises those
who find flaws on the networking site.

The student, who hails from Salem, graduated from Hindustan Institute of
Technology in Coimbatore in June and is now in Chennai on the lookout for a
job.

“I have always been interested in the security of frequently-used websites
such as Google and Facebook. There has to be a bug somewhere, and I keep
testing every feature of these sites,” said Arul.

It was during one such testing exercise that he wondered if photos uploaded
on Facebook by a user could be removed by others. Users are aware of two
ways to remove a picture from the site — either the account owner removes
it or somebody else who has a problem with it uses the dashboard to request
the Facebook team to remove it, said Arul.

“But Facebook also has an option that asks the user who uploaded the
picture to remove it. When I tested the feature, it turned out the request
to remove the picture was sent to the person who wanted it removed, and not
to the one who uploaded it — that was the bug,” he said.

It took a night for Arul to verify the error, after which he sent a
detailed report to Facebook. “But they rejected my claim saying they could
not detect the bug. It was only when I sent them a video of the malfunction
that they believed such a bug existed.”

Recently, Arul got a response from Facebook saying that his video was
helpful, and that a payment of $12,500 would be awarded to him for finding
the bug.

“This happened a week ago, but I waited till the bug was fixed so users
would not be affected. Facebook does not pay those who hack into existing
accounts,” he said.

Arul plans to hand the prize money to his family in Attur, Salem district,
where his father runs a small shop.

“My father got me a laptop this January. I look forward to helping him in
managing the family’s expenses. I hope at least one of the many companies I
have applied to for a job responds to my application,” he said.

*வாழிய செந்தமிழ்! வாழ்க நற்றமிழர்!*

*வாழிய பாரதமணித் திருநாடு!*

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 *V a n a k **k a m  S u** b b u *

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