CVE-2018-7263

The mad_decoder_run() function in decoder.c in Underbit libmad through 0.15.1b allows remote attackers to cause a denial of service (SIGABRT because of double…

published February 20, 2018

CVSS
—
EPSS
3%
Percentile
84.6
In the wild
Unconfirmed
What it is

⚠️ A crafted audio file can trigger a double free in libmad, potentially causing chaos! Imagine hitting play on a song only for it to crash the party instead! 🔥 Think of it like a restaurant where a waiter accidentally serves the same dish twice to a table, leading to a kitchen meltdown — double orders can lead to confusion and a messy situation. In this case, the 'dish' crashes the decoder instead of delighting the user. An attacker could send a maliciously crafted audio file to the decoder, causing it to throw a SIGABRT error and crash. This may lead to a denial of service, disrupting any application relying on this audio processing library and leaving your users frustrated.

Put simply

Think of it like a restaurant where a waiter accidentally serves the same dish twice to a table, leading to a kitchen meltdown — double orders can lead to confusion and a messy situation. In this case, the 'dish' crashes the decoder instead of delighting the user. The vulnerability exists in the mad_decoder_run() function, where improper handling of memory can lead to double free or corruption, allowing attackers to manipulate the decoder's behavior through specially crafted input.

What to do

An attacker could send a maliciously crafted audio file to the decoder, causing it to throw a SIGABRT error and crash. This may lead to a denial of service, disrupting any application relying on this audio processing library and leaving your users frustrated. To mitigate this issue, update your libmad to the latest version (at least 0.15.1b or later) to ensure you have the necessary bug fixes. Also, consider implementing file validation techniques before processing audio input to protect against such crafted attacks. You've got this! By staying informed and updating your libraries, you're making the internet a safer place! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02516 · 84.6th percentile
Published
2018-02-20T21:00Z
EPSS history
Timeline
  • 20 FEB 21:00Z
    The mad_decoder_run() function in decoder.c in Underbit libmad through 0.15.1b allows remote attackers to cause a denial of service (SIGABRT because of double…
    cvelistv5